<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <link:roleRef roleURI="http://www.winnebagoind.com/role/AccumulatedOtherComprehensiveIncomeLoss" xlink:href="wgo-20190223.xsd#AccumulatedOtherComprehensiveIncomeLoss" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/AccumulatedOtherComprehensiveIncomeLossAccumulatedOtherComprehensiveIncomeLossTables" xlink:href="wgo-20190223.xsd#AccumulatedOtherComprehensiveIncomeLossAccumulatedOtherComprehensiveIncomeLossTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/AccumulatedOtherComprehensiveIncomeLossChangesInAociByComponentDetails" xlink:href="wgo-20190223.xsd#AccumulatedOtherComprehensiveIncomeLossChangesInAociByComponentDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/AccumulatedOtherComprehensiveIncomeLossReclassificationFromAociDetails" xlink:href="wgo-20190223.xsd#AccumulatedOtherComprehensiveIncomeLossReclassificationFromAociDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/BasisOfPresentation" xlink:href="wgo-20190223.xsd#BasisOfPresentation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/BasisOfPresentationSummaryOfSignificantAccountingPoliciesPolicies" xlink:href="wgo-20190223.xsd#BasisOfPresentationSummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/BusinessSegmentsBusinessSegmentsDetails" xlink:href="wgo-20190223.xsd#BusinessSegmentsBusinessSegmentsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/BusinessSegmentsBusinessSegmentsNotes" xlink:href="wgo-20190223.xsd#BusinessSegmentsBusinessSegmentsNotes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/BusinessSegmentsBusinessSegmentsTables" xlink:href="wgo-20190223.xsd#BusinessSegmentsBusinessSegmentsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/CondensedConsolidatedStockholdersStatementOfEquity" xlink:href="wgo-20190223.xsd#CondensedConsolidatedStockholdersStatementOfEquity" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/CondensedConsolidatedStockholdersStatementOfEquityCondensedConsolidatedStockholdersStatementOfEquityParenthetical" xlink:href="wgo-20190223.xsd#CondensedConsolidatedStockholdersStatementOfEquityCondensedConsolidatedStockholdersStatementOfEquityParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/ConsolidatedBalanceSheets" xlink:href="wgo-20190223.xsd#ConsolidatedBalanceSheets" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:href="wgo-20190223.xsd#ConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/ConsolidatedStatementsOfCashFlows" xlink:href="wgo-20190223.xsd#ConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/ConsolidatedStatementsOfIncomeAndComprehensiveIncome" xlink:href="wgo-20190223.xsd#ConsolidatedStatementsOfIncomeAndComprehensiveIncome" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/ConsolidatedStatementsOfOperationsAndComprehensiveIncomeParenthetical" xlink:href="wgo-20190223.xsd#ConsolidatedStatementsOfOperationsAndComprehensiveIncomeParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/ContingentLiabilitesAndCommitmentsNotes" xlink:href="wgo-20190223.xsd#ContingentLiabilitesAndCommitmentsNotes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/ContingentLiabilitesAndCommitmentsRepurchaseCommitmentsNarrativeDetails" xlink:href="wgo-20190223.xsd#ContingentLiabilitesAndCommitmentsRepurchaseCommitmentsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/DerivativesInvestmentsAndFairValueMeasurementsDerivativesInvestmentsAndFairValueMeasurementsNarrativeDetails" xlink:href="wgo-20190223.xsd#DerivativesInvestmentsAndFairValueMeasurementsDerivativesInvestmentsAndFairValueMeasurementsNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/DerivativesInvestmentsAndFairValueMeasurementsDerivativesInvestmentsAndFairValueMeasurementsTables" xlink:href="wgo-20190223.xsd#DerivativesInvestmentsAndFairValueMeasurementsDerivativesInvestmentsAndFairValueMeasurementsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/DerivativesInvestmentsAndFairValueMeasurementsFairValueMeasurementsDetails" xlink:href="wgo-20190223.xsd#DerivativesInvestmentsAndFairValueMeasurementsFairValueMeasurementsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/DerivativesInvestmentsAndFairValueMeasurementsNotes" xlink:href="wgo-20190223.xsd#DerivativesInvestmentsAndFairValueMeasurementsNotes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/DocumentAndEntityInformation" xlink:href="wgo-20190223.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/EmployeeAndRetireeBenefitsEmployeeAndRetireeBenefitsTables" xlink:href="wgo-20190223.xsd#EmployeeAndRetireeBenefitsEmployeeAndRetireeBenefitsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/EmployeeAndRetireeBenefitsNotes" xlink:href="wgo-20190223.xsd#EmployeeAndRetireeBenefitsNotes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/EmployeeAndRetireeBenefitsScheduleOfDeferredCompensationBenefitsDetails" xlink:href="wgo-20190223.xsd#EmployeeAndRetireeBenefitsScheduleOfDeferredCompensationBenefitsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/GoodwillAndIntangibleAssetsFutureAmortizationOfIntangibleAssetsDetails" xlink:href="wgo-20190223.xsd#GoodwillAndIntangibleAssetsFutureAmortizationOfIntangibleAssetsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/GoodwillAndIntangibleAssetsGoodwillAndIntangibleAssetsNotes" xlink:href="wgo-20190223.xsd#GoodwillAndIntangibleAssetsGoodwillAndIntangibleAssetsNotes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/GoodwillAndIntangibleAssetsGoodwillAndIntangibleAssetsTables" xlink:href="wgo-20190223.xsd#GoodwillAndIntangibleAssetsGoodwillAndIntangibleAssetsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/GoodwillAndIntangibleAssetsScheduleOfGoodwillDetails" xlink:href="wgo-20190223.xsd#GoodwillAndIntangibleAssetsScheduleOfGoodwillDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/GoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsDetails" xlink:href="wgo-20190223.xsd#GoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/IncomePerShareIncomePerShareDetails" xlink:href="wgo-20190223.xsd#IncomePerShareIncomePerShareDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/IncomePerShareIncomePerShareTables" xlink:href="wgo-20190223.xsd#IncomePerShareIncomePerShareTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/IncomePerShareNotes" xlink:href="wgo-20190223.xsd#IncomePerShareNotes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/IncomeTaxesIncomeTaxesNarrativeDetails" xlink:href="wgo-20190223.xsd#IncomeTaxesIncomeTaxesNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/IncomeTaxesNotes" xlink:href="wgo-20190223.xsd#IncomeTaxesNotes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/InventoriesInventoriesBalanceDetails" xlink:href="wgo-20190223.xsd#InventoriesInventoriesBalanceDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/InventoriesInventoriesBasisDetails" xlink:href="wgo-20190223.xsd#InventoriesInventoriesBasisDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/InventoriesInventoriesTables" xlink:href="wgo-20190223.xsd#InventoriesInventoriesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/InventoriesNotes" xlink:href="wgo-20190223.xsd#InventoriesNotes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/LongTermDebtComponentsOfLongTermDebtDetails" xlink:href="wgo-20190223.xsd#LongTermDebtComponentsOfLongTermDebtDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/LongTermDebtLongTermDebtContractualMaturitiesDetails" xlink:href="wgo-20190223.xsd#LongTermDebtLongTermDebtContractualMaturitiesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/LongTermDebtLongTermDebtNotes" xlink:href="wgo-20190223.xsd#LongTermDebtLongTermDebtNotes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/LongTermDebtLongTermDebtTables" xlink:href="wgo-20190223.xsd#LongTermDebtLongTermDebtTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/PropertyPlantAndEquipmentNotes" xlink:href="wgo-20190223.xsd#PropertyPlantAndEquipmentNotes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/PropertyPlantAndEquipmentPropertyPlantAndEquipmentDetails" xlink:href="wgo-20190223.xsd#PropertyPlantAndEquipmentPropertyPlantAndEquipmentDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/PropertyPlantAndEquipmentPropertyPlantAndEquipmentTables" xlink:href="wgo-20190223.xsd#PropertyPlantAndEquipmentPropertyPlantAndEquipmentTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/RestructuringRestructuringDetails" xlink:href="wgo-20190223.xsd#RestructuringRestructuringDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/RestructuringRestructuringNotes" xlink:href="wgo-20190223.xsd#RestructuringRestructuringNotes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/RevenueRevenueDisaggregationDetails" xlink:href="wgo-20190223.xsd#RevenueRevenueDisaggregationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/RevenueRevenueNotes" xlink:href="wgo-20190223.xsd#RevenueRevenueNotes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/RevenueRevenueTables" xlink:href="wgo-20190223.xsd#RevenueRevenueTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/StockBasedCompensation" xlink:href="wgo-20190223.xsd#StockBasedCompensation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/StockBasedCompensationStockBasedCompensationNarrativeDetails" xlink:href="wgo-20190223.xsd#StockBasedCompensationStockBasedCompensationNarrativeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/WarrantyNotes" xlink:href="wgo-20190223.xsd#WarrantyNotes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/WarrantyScheduleOfProductWarrantyLiabilityDetails" xlink:href="wgo-20190223.xsd#WarrantyScheduleOfProductWarrantyLiabilityDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.winnebagoind.com/role/WarrantyWarrantyTables" xlink:href="wgo-20190223.xsd#WarrantyWarrantyTables" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/AccumulatedOtherComprehensiveIncomeLoss" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/AccumulatedOtherComprehensiveIncomeLossAccumulatedOtherComprehensiveIncomeLossTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/AccumulatedOtherComprehensiveIncomeLossChangesInAociByComponentDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_F57DC987895F6B1A4B519147259C0458" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_F97DEAFBAD34B3D8592B91472599D350" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_F57DC987895F6B1A4B519147259C0458" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_F97DEAFBAD34B3D8592B91472599D350" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_C14C57C074139A827187914725990A40" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_F97DEAFBAD34B3D8592B91472599D350" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_C14C57C074139A827187914725990A40" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_7F256DB4347056028CA89147259A9688_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_C14C57C074139A827187914725990A40" xlink:to="loc_us-gaap_EquityComponentDomain_7F256DB4347056028CA89147259A9688_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_7F256DB4347056028CA89147259A9688" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_C14C57C074139A827187914725990A40" xlink:to="loc_us-gaap_EquityComponentDomain_7F256DB4347056028CA89147259A9688" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_137B02050551EFD410FC9147259BAF83" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7F256DB4347056028CA89147259A9688" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_137B02050551EFD410FC9147259BAF83" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" xlink:label="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_E2E226B348CC2A27AD7A9147259C2CB7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_7F256DB4347056028CA89147259A9688" xlink:to="loc_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember_E2E226B348CC2A27AD7A9147259C2CB7" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_AccumulatedOtherComprehensiveIncomeLossRollForward" xlink:label="loc_wgo_AccumulatedOtherComprehensiveIncomeLossRollForward_DAB8C85D4DCCDBA7A6689147259C4312" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_F57DC987895F6B1A4B519147259C0458" xlink:to="loc_wgo_AccumulatedOtherComprehensiveIncomeLossRollForward_DAB8C85D4DCCDBA7A6689147259C4312" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_20DA3559E1344B3B84D19147259DAE2D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wgo_AccumulatedOtherComprehensiveIncomeLossRollForward_DAB8C85D4DCCDBA7A6689147259C4312" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_20DA3559E1344B3B84D19147259DAE2D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_D2651C7490DF42584A319147259E71FC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wgo_AccumulatedOtherComprehensiveIncomeLossRollForward_DAB8C85D4DCCDBA7A6689147259C4312" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_D2651C7490DF42584A319147259E71FC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_03228BAF2072F3F2BB819147259E1B89" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_D2651C7490DF42584A319147259E71FC" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_03228BAF2072F3F2BB819147259E1B89" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_A9D0BB76CF46E27D30799147259FC1B6" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_D2651C7490DF42584A319147259E71FC" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_A9D0BB76CF46E27D30799147259FC1B6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_076B253CA5461008E2C09147259F9565" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxAbstract_D2651C7490DF42584A319147259E71FC" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_076B253CA5461008E2C09147259F9565" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/AccumulatedOtherComprehensiveIncomeLossReclassificationFromAociDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems" xlink:label="loc_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_552F7617EDF4A623CB50785DCF1B79E8" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_C84ECF02CE5ADE84D23F785DCF1980C9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_552F7617EDF4A623CB50785DCF1B79E8" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_C84ECF02CE5ADE84D23F785DCF1980C9" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_6D7AA8783F0729ACB165785DCF191A65" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_C84ECF02CE5ADE84D23F785DCF1980C9" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_6D7AA8783F0729ACB165785DCF191A65" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_7C5C39FD4F19C45F3F1C785DCF197F57_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_6D7AA8783F0729ACB165785DCF191A65" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_7C5C39FD4F19C45F3F1C785DCF197F57_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_7C5C39FD4F19C45F3F1C785DCF197F57" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_6D7AA8783F0729ACB165785DCF191A65" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeDomain_7C5C39FD4F19C45F3F1C785DCF197F57" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_9AA79B5D006D83C827E6785DCF1912F3" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_C84ECF02CE5ADE84D23F785DCF1980C9" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_9AA79B5D006D83C827E6785DCF1912F3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_82C097ED08C744F38265785DCF1A6A11_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_9AA79B5D006D83C827E6785DCF1912F3" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_82C097ED08C744F38265785DCF1A6A11_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_82C097ED08C744F38265785DCF1A6A11" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_9AA79B5D006D83C827E6785DCF1912F3" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_82C097ED08C744F38265785DCF1A6A11" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_C9AB51BD391BD1427F60785DCF1ABF79" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_82C097ED08C744F38265785DCF1A6A11" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_C9AB51BD391BD1427F60785DCF1ABF79" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_282335E1DC2F05705D2E785DCF1AFD20" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTable_C84ECF02CE5ADE84D23F785DCF1980C9" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_282335E1DC2F05705D2E785DCF1AFD20" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_48F40057AC0D0878CA3E785DCF1A5EB3_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_282335E1DC2F05705D2E785DCF1AFD20" xlink:to="loc_us-gaap_EquityComponentDomain_48F40057AC0D0878CA3E785DCF1A5EB3_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_48F40057AC0D0878CA3E785DCF1A5EB3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_282335E1DC2F05705D2E785DCF1AFD20" xlink:to="loc_us-gaap_EquityComponentDomain_48F40057AC0D0878CA3E785DCF1A5EB3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_125C73EE70782D29AD47785DCF1BDF59" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_48F40057AC0D0878CA3E785DCF1A5EB3" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLossMember_125C73EE70782D29AD47785DCF1BDF59" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_C6CD565504090F678689785DCF1BDF78" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems_552F7617EDF4A623CB50785DCF1B79E8" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_C6CD565504090F678689785DCF1BDF78" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/BasisOfPresentation" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/BasisOfPresentationSummaryOfSignificantAccountingPoliciesPolicies" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/BusinessSegmentsBusinessSegmentsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_280A257258CA19EEDA68785DD0F14035" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6076C0112E220362501B785DD0EAC0A9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_280A257258CA19EEDA68785DD0F14035" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6076C0112E220362501B785DD0EAC0A9" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_9F809A9FC419957C14E8785DD0F0F5D8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_6076C0112E220362501B785DD0EAC0A9" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_9F809A9FC419957C14E8785DD0F0F5D8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_BE411A6FDA578C1642D0785DD0F0A09B_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_9F809A9FC419957C14E8785DD0F0F5D8" xlink:to="loc_us-gaap_SegmentDomain_BE411A6FDA578C1642D0785DD0F0A09B_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_BE411A6FDA578C1642D0785DD0F0A09B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_9F809A9FC419957C14E8785DD0F0F5D8" xlink:to="loc_us-gaap_SegmentDomain_BE411A6FDA578C1642D0785DD0F0A09B" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_MotorhomeMember" xlink:label="loc_wgo_MotorhomeMember_AB3AEF699AA7BD1A8173785DD0F05398" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_BE411A6FDA578C1642D0785DD0F0A09B" xlink:to="loc_wgo_MotorhomeMember_AB3AEF699AA7BD1A8173785DD0F05398" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_TowableMember" xlink:label="loc_wgo_TowableMember_583BD354D34FB49D2FAD785DD0F1D169" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_BE411A6FDA578C1642D0785DD0F0A09B" xlink:to="loc_wgo_TowableMember_583BD354D34FB49D2FAD785DD0F1D169" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_CorporateAllOtherMember" xlink:label="loc_wgo_CorporateAllOtherMember_A255A65BFC0154B1FD52785DD0F16B5C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_BE411A6FDA578C1642D0785DD0F0A09B" xlink:to="loc_wgo_CorporateAllOtherMember_A255A65BFC0154B1FD52785DD0F16B5C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="loc_us-gaap_NumberOfReportableSegments_7256AD346E5DCD8DCA6F785DD0F1325D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_280A257258CA19EEDA68785DD0F14035" xlink:to="loc_us-gaap_NumberOfReportableSegments_7256AD346E5DCD8DCA6F785DD0F1325D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_11B7767A0BBF8CA2EA71785DD0F142DF" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_280A257258CA19EEDA68785DD0F14035" xlink:to="loc_us-gaap_Revenues_11B7767A0BBF8CA2EA71785DD0F142DF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_524D1342A45DB5BB0011785DD0F29960" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_280A257258CA19EEDA68785DD0F14035" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_524D1342A45DB5BB0011785DD0F29960" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_030EF664089131A0F0AE785DD0F2B0E5" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_280A257258CA19EEDA68785DD0F14035" xlink:to="loc_us-gaap_Assets_030EF664089131A0F0AE785DD0F2B0E5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_C1EC9A7B38AA44CD2CC0785DD0F206C1" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_280A257258CA19EEDA68785DD0F14035" xlink:to="loc_us-gaap_NetIncomeLoss_C1EC9A7B38AA44CD2CC0785DD0F206C1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_1B88D3F730063606CC22785DD0F2BAFC" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_280A257258CA19EEDA68785DD0F14035" xlink:to="loc_us-gaap_InterestExpense_1B88D3F730063606CC22785DD0F2BAFC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_301E10D635359FD8028E785DD0F2CDA1" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_280A257258CA19EEDA68785DD0F14035" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_301E10D635359FD8028E785DD0F2CDA1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_582C10D62B632CA3FC1E785DD0F2A494" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_280A257258CA19EEDA68785DD0F14035" xlink:to="loc_us-gaap_Depreciation_582C10D62B632CA3FC1E785DD0F2A494" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_45216A34E75DD0B6C229785DD0F35A8B" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_280A257258CA19EEDA68785DD0F14035" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_45216A34E75DD0B6C229785DD0F35A8B" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_EBITDA" xlink:label="loc_wgo_EBITDA_5B1708E133C991E68495785DD0F38B1D" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_280A257258CA19EEDA68785DD0F14035" xlink:to="loc_wgo_EBITDA_5B1708E133C991E68495785DD0F38B1D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed" xlink:label="loc_us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed_AE251B235E0E40CCCDEB785DD0F36228" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_280A257258CA19EEDA68785DD0F14035" xlink:to="loc_us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsAdditionalDisclosuresAcquisitionCostExpensed_AE251B235E0E40CCCDEB785DD0F36228" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_DEDA4F9B60FE7FAE4D317877836DE15D" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_280A257258CA19EEDA68785DD0F14035" xlink:to="loc_us-gaap_RestructuringCharges_DEDA4F9B60FE7FAE4D317877836DE15D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_76116D5AB57726FDFCAB785DD0F3934E" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_280A257258CA19EEDA68785DD0F14035" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_76116D5AB57726FDFCAB785DD0F3934E" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_AdjustedEBITDA" xlink:label="loc_wgo_AdjustedEBITDA_D20841864887DF966690785DD0F3C733" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_280A257258CA19EEDA68785DD0F14035" xlink:to="loc_wgo_AdjustedEBITDA_D20841864887DF966690785DD0F3C733" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/BusinessSegmentsBusinessSegmentsNotes" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/BusinessSegmentsBusinessSegmentsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/CondensedConsolidatedStockholdersStatementOfEquity" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_D2C21E88C4CC45EF047582DD271B3A7C" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_6DD23D98499A1F352CC282DD2717AAAE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_D2C21E88C4CC45EF047582DD271B3A7C" xlink:to="loc_us-gaap_StatementTable_6DD23D98499A1F352CC282DD2717AAAE" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_8D23DE1CEF3F54DEF21A82DD2717EDA7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_6DD23D98499A1F352CC282DD2717AAAE" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_8D23DE1CEF3F54DEF21A82DD2717EDA7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_A06A7BBDE52328FFB7B182DD2718B76C_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_8D23DE1CEF3F54DEF21A82DD2717EDA7" xlink:to="loc_us-gaap_EquityComponentDomain_A06A7BBDE52328FFB7B182DD2718B76C_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EquityComponentDomain" xlink:label="loc_us-gaap_EquityComponentDomain_A06A7BBDE52328FFB7B182DD2718B76C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_8D23DE1CEF3F54DEF21A82DD2717EDA7" xlink:to="loc_us-gaap_EquityComponentDomain_A06A7BBDE52328FFB7B182DD2718B76C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockMember" xlink:label="loc_us-gaap_CommonStockMember_02A0CDF85F83E5BE798582DD27182B9E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_A06A7BBDE52328FFB7B182DD2718B76C" xlink:to="loc_us-gaap_CommonStockMember_02A0CDF85F83E5BE798582DD27182B9E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_9AA251A21913FCDDFF8582DD271A1DFC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_A06A7BBDE52328FFB7B182DD2718B76C" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_9AA251A21913FCDDFF8582DD271A1DFC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsMember" xlink:label="loc_us-gaap_RetainedEarningsMember_087CB87C961117D6557D82DD271B55EF" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_A06A7BBDE52328FFB7B182DD2718B76C" xlink:to="loc_us-gaap_RetainedEarningsMember_087CB87C961117D6557D82DD271B55EF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_1B20491149091581412B82DD271BEDB9" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_A06A7BBDE52328FFB7B182DD2718B76C" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_1B20491149091581412B82DD271BEDB9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockMember" xlink:label="loc_us-gaap_TreasuryStockMember_E0CA7163914646B318CE82DD271BF512" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_A06A7BBDE52328FFB7B182DD2718B76C" xlink:to="loc_us-gaap_TreasuryStockMember_E0CA7163914646B318CE82DD271BF512" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_F2300CE59448177A6A1382DD271C6F33" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D2C21E88C4CC45EF047582DD271B3A7C" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_F2300CE59448177A6A1382DD271C6F33" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_686626C1BD9628BE0DD182DD271C69F6" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D2C21E88C4CC45EF047582DD271B3A7C" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_686626C1BD9628BE0DD182DD271C69F6" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_StockbasedCompensationRequisiteServicePeriodRecognition" xlink:label="loc_wgo_StockbasedCompensationRequisiteServicePeriodRecognition_A2F056483705595DC6F982DD271C827F" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D2C21E88C4CC45EF047582DD271B3A7C" xlink:to="loc_wgo_StockbasedCompensationRequisiteServicePeriodRecognition_A2F056483705595DC6F982DD271C827F" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_StockbasedCompensationRequisiteServicePeriodRecognitionShares" xlink:label="loc_wgo_StockbasedCompensationRequisiteServicePeriodRecognitionShares_A978684A6203B8D3761D82DD271C041F" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D2C21E88C4CC45EF047582DD271B3A7C" xlink:to="loc_wgo_StockbasedCompensationRequisiteServicePeriodRecognitionShares_A978684A6203B8D3761D82DD271C041F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_58C16B95017ADDF2C7FD82DD271CC4B6" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D2C21E88C4CC45EF047582DD271B3A7C" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross_58C16B95017ADDF2C7FD82DD271CC4B6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_6839AE2EB8BD180301CF82DD271D9DDD" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D2C21E88C4CC45EF047582DD271B3A7C" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross_6839AE2EB8BD180301CF82DD271D9DDD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_BB5C4E92B8EE3F42E55582DD271DC7DB" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D2C21E88C4CC45EF047582DD271B3A7C" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan_BB5C4E92B8EE3F42E55582DD271DC7DB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_A738982D51664B39B12B82DD271DF73A" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D2C21E88C4CC45EF047582DD271B3A7C" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_A738982D51664B39B12B82DD271DF73A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodValue" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodValue_E02E719E0BAF24D5535082DD271DB99D" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D2C21E88C4CC45EF047582DD271B3A7C" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodValue_E02E719E0BAF24D5535082DD271DB99D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodShares" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares_BDE79EAAEA81E1F52E4082DD271EAEDA" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D2C21E88C4CC45EF047582DD271B3A7C" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodShares_BDE79EAAEA81E1F52E4082DD271EAEDA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DividendsCommonStockCash" xlink:label="loc_us-gaap_DividendsCommonStockCash_1386F086376295334AA082DD271E0E2E" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D2C21E88C4CC45EF047582DD271B3A7C" xlink:to="loc_us-gaap_DividendsCommonStockCash_1386F086376295334AA082DD271E0E2E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_B93FCE13A235EF3315B682DD271E9141" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D2C21E88C4CC45EF047582DD271B3A7C" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_B93FCE13A235EF3315B682DD271E9141" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_5A7E214FABDD3A91A9D682DD271E8539" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D2C21E88C4CC45EF047582DD271B3A7C" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_5A7E214FABDD3A91A9D682DD271E8539" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_D1168C1C56D1398244C682DD271E7EDD" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D2C21E88C4CC45EF047582DD271B3A7C" xlink:to="loc_us-gaap_NetIncomeLoss_D1168C1C56D1398244C682DD271E7EDD" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/CondensedConsolidatedStockholdersStatementOfEquityCondensedConsolidatedStockholdersStatementOfEquityParenthetical" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_F4957D37707A3EACFF15785DD15A860B" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_81A14F2FAA79B52E7886785DD15A70B3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_F4957D37707A3EACFF15785DD15A860B" xlink:to="loc_us-gaap_StatementTable_81A14F2FAA79B52E7886785DD15A70B3" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_CDD01D9E3CBFFBDE12C1785DD15ACA3B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_81A14F2FAA79B52E7886785DD15A70B3" xlink:to="loc_us-gaap_StatementScenarioAxis_CDD01D9E3CBFFBDE12C1785DD15ACA3B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_96B29DF36F78CA9DE291785DD15A9D8F_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_CDD01D9E3CBFFBDE12C1785DD15ACA3B" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_96B29DF36F78CA9DE291785DD15A9D8F_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_96B29DF36F78CA9DE291785DD15A9D8F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_CDD01D9E3CBFFBDE12C1785DD15ACA3B" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_96B29DF36F78CA9DE291785DD15A9D8F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_CA633E41033AAA785A6C785DD15BE935" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F4957D37707A3EACFF15785DD15A860B" xlink:to="loc_us-gaap_AssetsAbstract_CA633E41033AAA785A6C785DD15BE935" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="loc_us-gaap_AssetsCurrentAbstract_3EEA7B969AA13CB54E13785DD15B8A70" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F4957D37707A3EACFF15785DD15A860B" xlink:to="loc_us-gaap_AssetsCurrentAbstract_3EEA7B969AA13CB54E13785DD15B8A70" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_7E38C7EB2FB452DB63FB785DD15B18EF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_3EEA7B969AA13CB54E13785DD15B8A70" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_7E38C7EB2FB452DB63FB785DD15B18EF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_7ED59232EA78B93CDB7D785DD15B27BD" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_3EEA7B969AA13CB54E13785DD15B8A70" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_7ED59232EA78B93CDB7D785DD15B27BD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_885ECEA49EEC519578C5785DD15CBEB7" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_3EEA7B969AA13CB54E13785DD15B8A70" xlink:to="loc_us-gaap_InventoryNet_885ECEA49EEC519578C5785DD15CBEB7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssets" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssets_86057EDF5EE4699CCDDD785DD15C2AC2" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_3EEA7B969AA13CB54E13785DD15B8A70" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssets_86057EDF5EE4699CCDDD785DD15C2AC2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_64CD73F453762FF4448A785DD15CB8A3" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F4957D37707A3EACFF15785DD15A860B" xlink:to="loc_us-gaap_AssetsCurrent_64CD73F453762FF4448A785DD15CB8A3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_BD8740968028C3C18024785DD15C3F23" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F4957D37707A3EACFF15785DD15A860B" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_BD8740968028C3C18024785DD15C3F23" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsNoncurrentAbstract" xlink:label="loc_us-gaap_OtherAssetsNoncurrentAbstract_38A54872751842D3A44E785DD15C99AC" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F4957D37707A3EACFF15785DD15A860B" xlink:to="loc_us-gaap_OtherAssetsNoncurrentAbstract_38A54872751842D3A44E785DD15C99AC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_897470E8F54A738FC0BA785DD15CBDEF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_38A54872751842D3A44E785DD15C99AC" xlink:to="loc_us-gaap_Goodwill_897470E8F54A738FC0BA785DD15CBDEF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherIntangibleAssetsNet" xlink:label="loc_us-gaap_OtherIntangibleAssetsNet_ADB538430866692525ED785DD15D384C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_38A54872751842D3A44E785DD15C99AC" xlink:to="loc_us-gaap_OtherIntangibleAssetsNet_ADB538430866692525ED785DD15D384C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LifeInsuranceCorporateOrBankOwnedAmount" xlink:label="loc_us-gaap_LifeInsuranceCorporateOrBankOwnedAmount_7BDE9EE08B6F61D881D0785DD15DF088" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_38A54872751842D3A44E785DD15C99AC" xlink:to="loc_us-gaap_LifeInsuranceCorporateOrBankOwnedAmount_7BDE9EE08B6F61D881D0785DD15DF088" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_DF07A3478D07E80E10D4785DD15D3F45" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherAssetsNoncurrentAbstract_38A54872751842D3A44E785DD15C99AC" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_DF07A3478D07E80E10D4785DD15D3F45" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_B660232D433530A3FF94785DD15D353C" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F4957D37707A3EACFF15785DD15A860B" xlink:to="loc_us-gaap_Assets_B660232D433530A3FF94785DD15D353C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_1132F813087D0240DDC7785DD15D20D6" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F4957D37707A3EACFF15785DD15A860B" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_1132F813087D0240DDC7785DD15D20D6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_EA895BC36FB2A01A024B785DD15E16AA" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F4957D37707A3EACFF15785DD15A860B" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_EA895BC36FB2A01A024B785DD15E16AA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_B6106CD68F89E157A855785DD15E58FD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_EA895BC36FB2A01A024B785DD15E16AA" xlink:to="loc_us-gaap_AccountsPayableCurrent_B6106CD68F89E157A855785DD15E58FD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccruedIncomeTaxesCurrent" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_44B7A9C2303D8BF7732D785DD15E2382" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_EA895BC36FB2A01A024B785DD15E16AA" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_44B7A9C2303D8BF7732D785DD15E2382" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccruedLiabilitiesCurrentAbstract" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrentAbstract_3456B6891309C8A88651785DD15EDD17" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_EA895BC36FB2A01A024B785DD15E16AA" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrentAbstract_3456B6891309C8A88651785DD15EDD17" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_164F9F78976BCEC15273785DD15E2D24" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrentAbstract_3456B6891309C8A88651785DD15EDD17" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_164F9F78976BCEC15273785DD15E2D24" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent" xlink:label="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_1A2F966D74BE1557142D785DD15F31AC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrentAbstract_3456B6891309C8A88651785DD15EDD17" xlink:to="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_1A2F966D74BE1557142D785DD15F31AC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SelfInsuranceReserveCurrent" xlink:label="loc_us-gaap_SelfInsuranceReserveCurrent_AF72CC370C00FC542E78785DD15FD319" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrentAbstract_3456B6891309C8A88651785DD15EDD17" xlink:to="loc_us-gaap_SelfInsuranceReserveCurrent_AF72CC370C00FC542E78785DD15FD319" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccruedMarketingCostsCurrent" xlink:label="loc_us-gaap_AccruedMarketingCostsCurrent_ACE862B511CDC1C9AA4F785DD15FFE1F" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrentAbstract_3456B6891309C8A88651785DD15EDD17" xlink:to="loc_us-gaap_AccruedMarketingCostsCurrent_ACE862B511CDC1C9AA4F785DD15FFE1F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestPayableCurrent" xlink:label="loc_us-gaap_InterestPayableCurrent_BB93830C0011308E53B9785DD15FE9A0" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrentAbstract_3456B6891309C8A88651785DD15EDD17" xlink:to="loc_us-gaap_InterestPayableCurrent_BB93830C0011308E53B9785DD15FE9A0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_221DFD01E6E4656E8470785DD15FCE6F" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrentAbstract_3456B6891309C8A88651785DD15EDD17" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_221DFD01E6E4656E8470785DD15FCE6F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_C5A65E1772DE0D289B42786192188129" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_EA895BC36FB2A01A024B785DD15E16AA" xlink:to="loc_us-gaap_LongTermDebtCurrent_C5A65E1772DE0D289B42786192188129" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_07549D265F0AD9B3E04B785DD15F9F05" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F4957D37707A3EACFF15785DD15A860B" xlink:to="loc_us-gaap_LiabilitiesCurrent_07549D265F0AD9B3E04B785DD15F9F05" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesNoncurrentAbstract" xlink:label="loc_us-gaap_LiabilitiesNoncurrentAbstract_AA5DAF16440BD2A860B4785DD1601E42" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F4957D37707A3EACFF15785DD15A860B" xlink:to="loc_us-gaap_LiabilitiesNoncurrentAbstract_AA5DAF16440BD2A860B4785DD1601E42" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_2D9803ADDF87559E73F77862CE958988" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesNoncurrentAbstract_AA5DAF16440BD2A860B4785DD1601E42" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_2D9803ADDF87559E73F77862CE958988" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_0A8E63389C6135068907785DD16015F3" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesNoncurrentAbstract_AA5DAF16440BD2A860B4785DD1601E42" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_0A8E63389C6135068907785DD16015F3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilityForUncertainTaxPositionsNoncurrent" xlink:label="loc_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent_A68454BF9DDA898C747A785DD1606790" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesNoncurrentAbstract_AA5DAF16440BD2A860B4785DD1601E42" xlink:to="loc_us-gaap_LiabilityForUncertainTaxPositionsNoncurrent_A68454BF9DDA898C747A785DD1606790" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent_DC609D0D53710E8BA149785DD1605336" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesNoncurrentAbstract_AA5DAF16440BD2A860B4785DD1601E42" xlink:to="loc_us-gaap_OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent_DC609D0D53710E8BA149785DD1605336" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_E821E2F60120EF12C3C6785DD1608884" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesNoncurrentAbstract_AA5DAF16440BD2A860B4785DD1601E42" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_E821E2F60120EF12C3C6785DD1608884" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesNoncurrent" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_78B473227CD5ADBD4A70785DD16169CA" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F4957D37707A3EACFF15785DD15A860B" xlink:to="loc_us-gaap_LiabilitiesNoncurrent_78B473227CD5ADBD4A70785DD16169CA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_DAE354722D65D1CE62C1785DD161684B" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F4957D37707A3EACFF15785DD15A860B" xlink:to="loc_us-gaap_StockholdersEquityAbstract_DAE354722D65D1CE62C1785DD161684B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PreferredStockValueOutstanding" xlink:label="loc_us-gaap_PreferredStockValueOutstanding_C9DB8C55E5E70542D6C9785DD161DEDB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_DAE354722D65D1CE62C1785DD161684B" xlink:to="loc_us-gaap_PreferredStockValueOutstanding_C9DB8C55E5E70542D6C9785DD161DEDB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CommonStockValueOutstanding" xlink:label="loc_us-gaap_CommonStockValueOutstanding_A414780AE5801D7E0DAC785DD161A142" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_DAE354722D65D1CE62C1785DD161684B" xlink:to="loc_us-gaap_CommonStockValueOutstanding_A414780AE5801D7E0DAC785DD161A142" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="loc_us-gaap_AdditionalPaidInCapital_9E7FCF7A0A24FEEC2FF8785DD161EEBE" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_DAE354722D65D1CE62C1785DD161684B" xlink:to="loc_us-gaap_AdditionalPaidInCapital_9E7FCF7A0A24FEEC2FF8785DD161EEBE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_3D7D1F76DA3C424D9993785DD1627368" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_DAE354722D65D1CE62C1785DD161684B" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_3D7D1F76DA3C424D9993785DD1627368" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_4CB39A0208E9080ACD1C785DD1629FF9" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_DAE354722D65D1CE62C1785DD161684B" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_4CB39A0208E9080ACD1C785DD1629FF9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="loc_us-gaap_TreasuryStockValue_E9FDA6C66E09D6E3FBF6785DD16258A4" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityAbstract_DAE354722D65D1CE62C1785DD161684B" xlink:to="loc_us-gaap_TreasuryStockValue_E9FDA6C66E09D6E3FBF6785DD16258A4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_14F54408621C3D6FDF0F785DD1625CC9" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F4957D37707A3EACFF15785DD15A860B" xlink:to="loc_us-gaap_StockholdersEquity_14F54408621C3D6FDF0F785DD1625CC9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_16E6B844C8731B781F2F785DD1621A47" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_F4957D37707A3EACFF15785DD15A860B" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_16E6B844C8731B781F2F785DD1621A47" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_24DBC9046DF46CF6600A7E0AA3A92919" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_3369DD8847148567D9F37E0AA3A923B7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_24DBC9046DF46CF6600A7E0AA3A92919" xlink:to="loc_us-gaap_StatementTable_3369DD8847148567D9F37E0AA3A923B7" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_CC7BAB3013AE0E02D5307E0AA3A95BBA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_3369DD8847148567D9F37E0AA3A923B7" xlink:to="loc_us-gaap_StatementScenarioAxis_CC7BAB3013AE0E02D5307E0AA3A95BBA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_7BF1422BFB1F860062B57E0AA3A9DA99_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_CC7BAB3013AE0E02D5307E0AA3A95BBA" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_7BF1422BFB1F860062B57E0AA3A9DA99_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_7BF1422BFB1F860062B57E0AA3A9DA99" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_CC7BAB3013AE0E02D5307E0AA3A95BBA" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_7BF1422BFB1F860062B57E0AA3A9DA99" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_4B37EEC2F26CF045E3BF7E0AA3AAF9A1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_24DBC9046DF46CF6600A7E0AA3A92919" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_4B37EEC2F26CF045E3BF7E0AA3AAF9A1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_AAA015CA3D15004FBC4F7E0AA3AAE392" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_4B37EEC2F26CF045E3BF7E0AA3AAF9A1" xlink:to="loc_us-gaap_NetIncomeLoss_AAA015CA3D15004FBC4F7E0AA3AAE392" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_EC7743839EE7CBECC7337E0AA3AA55BA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_4B37EEC2F26CF045E3BF7E0AA3AAF9A1" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_EC7743839EE7CBECC7337E0AA3AA55BA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_53C81DB1C8640EE9BF287E0AA3AA58AB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_EC7743839EE7CBECC7337E0AA3AA55BA" xlink:to="loc_us-gaap_Depreciation_53C81DB1C8640EE9BF287E0AA3AA58AB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_EDDECDD3DAFBE77253DE7E0AA3ABEFAD" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_EC7743839EE7CBECC7337E0AA3AA55BA" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_EDDECDD3DAFBE77253DE7E0AA3ABEFAD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AmortizationOfFinancingCosts" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts_636CFE898A21A4406F8F7E0AA3AB97BB" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_EC7743839EE7CBECC7337E0AA3AA55BA" xlink:to="loc_us-gaap_AmortizationOfFinancingCosts_636CFE898A21A4406F8F7E0AA3AB97BB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InventoryLIFOReservePeriodCharge" xlink:label="loc_us-gaap_InventoryLIFOReservePeriodCharge_AE7034AB0FBA143E94757E0AA3AB75B3" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_EC7743839EE7CBECC7337E0AA3AA55BA" xlink:to="loc_us-gaap_InventoryLIFOReservePeriodCharge_AE7034AB0FBA143E94757E0AA3AB75B3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_7B5FFE652733C8AB50427E0AA3AB6ED0" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_EC7743839EE7CBECC7337E0AA3AA55BA" xlink:to="loc_us-gaap_ShareBasedCompensation_7B5FFE652733C8AB50427E0AA3AB6ED0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_5EC2CE50225A7FA443887E0AA3AB28E7" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_EC7743839EE7CBECC7337E0AA3AA55BA" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_5EC2CE50225A7FA443887E0AA3AB28E7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherOperatingActivitiesCashFlowStatement" xlink:label="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_3FE48FD332C4634B0C127E0AA3AB1E1E" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_EC7743839EE7CBECC7337E0AA3AA55BA" xlink:to="loc_us-gaap_OtherOperatingActivitiesCashFlowStatement_3FE48FD332C4634B0C127E0AA3AB1E1E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssetsAndLiabilitiesNetAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssetsAndLiabilitiesNetAbstract_74A3AB8FE2CBDF309AA47E0AA3AC936C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_4B37EEC2F26CF045E3BF7E0AA3AAF9A1" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssetsAndLiabilitiesNetAbstract_74A3AB8FE2CBDF309AA47E0AA3AC936C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_DA2399BB5124ECF694FD7E0AA3ACE777" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssetsAndLiabilitiesNetAbstract_74A3AB8FE2CBDF309AA47E0AA3AC936C" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_DA2399BB5124ECF694FD7E0AA3ACE777" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_08C06F2C66241A7CDEEB7E0AA3ACDDBA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssetsAndLiabilitiesNetAbstract_74A3AB8FE2CBDF309AA47E0AA3AC936C" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_08C06F2C66241A7CDEEB7E0AA3ACDDBA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" xlink:label="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_573CCA640264837371CA7E0AA3AC03EB" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssetsAndLiabilitiesNetAbstract_74A3AB8FE2CBDF309AA47E0AA3AC936C" xlink:to="loc_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_573CCA640264837371CA7E0AA3AC03EB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_305672499A9F9665AEBD7E0AA3ACB727" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssetsAndLiabilitiesNetAbstract_74A3AB8FE2CBDF309AA47E0AA3AC936C" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_305672499A9F9665AEBD7E0AA3ACB727" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable_5ED0B3AC2BC1EF309C457E0AA3AC8A46" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssetsAndLiabilitiesNetAbstract_74A3AB8FE2CBDF309AA47E0AA3AC936C" xlink:to="loc_us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable_5ED0B3AC2BC1EF309C457E0AA3AC8A46" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_C8F2305887DED5D946897E0AA3ADA9D8" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssetsAndLiabilitiesNetAbstract_74A3AB8FE2CBDF309AA47E0AA3AC936C" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_C8F2305887DED5D946897E0AA3ADA9D8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_211968900E1A73039D087E0AA3ADF060" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssetsAndLiabilitiesNetAbstract_74A3AB8FE2CBDF309AA47E0AA3AC936C" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_211968900E1A73039D087E0AA3ADF060" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_13B076A857069DD0DCD97E0AA3AD360F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_24DBC9046DF46CF6600A7E0AA3A92919" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_13B076A857069DD0DCD97E0AA3AD360F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_9F7A74C8E177BD36B2A87E0AA3AD6554" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_13B076A857069DD0DCD97E0AA3AD360F" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_9F7A74C8E177BD36B2A87E0AA3AD6554" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_69979B57BDE0137432DB7E0AA3AEE633" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_13B076A857069DD0DCD97E0AA3AD360F" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_69979B57BDE0137432DB7E0AA3AEE633" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_7A7DC4BBE9B7CBEBA7D17E0AA3AE151C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_13B076A857069DD0DCD97E0AA3AD360F" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_7A7DC4BBE9B7CBEBA7D17E0AA3AE151C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_205BD2EE913C928EA4947E0AA3AEE919" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_13B076A857069DD0DCD97E0AA3AD360F" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_205BD2EE913C928EA4947E0AA3AEE919" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_936CAABBAFC741607E127E0AA3AEF2FE" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_13B076A857069DD0DCD97E0AA3AD360F" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_936CAABBAFC741607E127E0AA3AEF2FE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_B8A5626C6AFBBA5E902D7E0AA3AE2399" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_24DBC9046DF46CF6600A7E0AA3A92919" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_B8A5626C6AFBBA5E902D7E0AA3AE2399" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromLinesOfCredit" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_422405F4210162D5CB597E0AA3AF4621" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_B8A5626C6AFBBA5E902D7E0AA3AE2399" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_422405F4210162D5CB597E0AA3AF4621" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RepaymentsOfLinesOfCredit" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_AD3C9EC3DB19E76FB3E57E0AA3AF1142" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_B8A5626C6AFBBA5E902D7E0AA3AE2399" xlink:to="loc_us-gaap_RepaymentsOfLinesOfCredit_AD3C9EC3DB19E76FB3E57E0AA3AF1142" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_A61BE22AD43376B5D4017E0AA3AF1036" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_B8A5626C6AFBBA5E902D7E0AA3AE2399" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_A61BE22AD43376B5D4017E0AA3AF1036" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_E7301C7A70DB1DF7E7757E0AA3AF8109" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_B8A5626C6AFBBA5E902D7E0AA3AE2399" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_E7301C7A70DB1DF7E7757E0AA3AF8109" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_E4B033E063D9FB6C52557E0AA3AF2496" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_B8A5626C6AFBBA5E902D7E0AA3AE2399" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_E4B033E063D9FB6C52557E0AA3AF2496" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_A99EF2D9AD8CAE1A63C97E0AA3AFD8CA" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_B8A5626C6AFBBA5E902D7E0AA3AE2399" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_A99EF2D9AD8CAE1A63C97E0AA3AFD8CA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_7E064240A5FFCE5D955A7E0AA3B0DCFC" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_24DBC9046DF46CF6600A7E0AA3A92919" xlink:to="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_7E064240A5FFCE5D955A7E0AA3B0DCFC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_EDC04424F1E48111C5C27E0AA3B0D392" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_24DBC9046DF46CF6600A7E0AA3A92919" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_EDC04424F1E48111C5C27E0AA3B0D392" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_4045DCA06D9103336C017E0AA3B045D7" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_24DBC9046DF46CF6600A7E0AA3A92919" xlink:to="loc_us-gaap_SupplementalCashFlowInformationAbstract_4045DCA06D9103336C017E0AA3B045D7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="loc_us-gaap_IncomeTaxesPaidNet_03AA41CA8F26D6A855A27E0AA3B06643" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_4045DCA06D9103336C017E0AA3B045D7" xlink:to="loc_us-gaap_IncomeTaxesPaidNet_03AA41CA8F26D6A855A27E0AA3B06643" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_us-gaap_InterestPaid_9C66D1E4365C1399BBAF7E0AA3B1BD05" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_4045DCA06D9103336C017E0AA3B045D7" xlink:to="loc_us-gaap_InterestPaid_9C66D1E4365C1399BBAF7E0AA3B1BD05" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NoncashInvestingAndFinancingItemsAbstract" xlink:label="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_E16337DE05709C5E535F7E0AA3B120A6" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_24DBC9046DF46CF6600A7E0AA3A92919" xlink:to="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_E16337DE05709C5E535F7E0AA3B120A6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CapitalExpendituresIncurredButNotYetPaid" xlink:label="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_722A737B3068807F8E557E0AA3B14852" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NoncashInvestingAndFinancingItemsAbstract_E16337DE05709C5E535F7E0AA3B120A6" xlink:to="loc_us-gaap_CapitalExpendituresIncurredButNotYetPaid_722A737B3068807F8E557E0AA3B14852" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/ConsolidatedStatementsOfIncomeAndComprehensiveIncome" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_D3E9BF3AEE4534F3461F914726DA1DF6" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_5464B6473D13ACA7C4A9914726D96F53" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_D3E9BF3AEE4534F3461F914726DA1DF6" xlink:to="loc_us-gaap_StatementTable_5464B6473D13ACA7C4A9914726D96F53" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_474AA42B40F97E84116E914726D94BB2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_5464B6473D13ACA7C4A9914726D96F53" xlink:to="loc_us-gaap_StatementScenarioAxis_474AA42B40F97E84116E914726D94BB2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_251CD50AE84AF138C10C914726D9D041_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_474AA42B40F97E84116E914726D94BB2" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_251CD50AE84AF138C10C914726D9D041_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_251CD50AE84AF138C10C914726D9D041" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_474AA42B40F97E84116E914726D94BB2" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_251CD50AE84AF138C10C914726D9D041" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_70DC2C5B8121A9887AB3914726DAE511" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D3E9BF3AEE4534F3461F914726DA1DF6" xlink:to="loc_us-gaap_Revenues_70DC2C5B8121A9887AB3914726DAE511" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_59AA8253B8380FF71BF8914726DAFC6B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D3E9BF3AEE4534F3461F914726DA1DF6" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_59AA8253B8380FF71BF8914726DAFC6B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_9D4D2F1DB64BC3399901914726DA2EF1" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D3E9BF3AEE4534F3461F914726DA1DF6" xlink:to="loc_us-gaap_GrossProfit_9D4D2F1DB64BC3399901914726DA2EF1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_975C9CBDE92B90E3516B914726DABD6A" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D3E9BF3AEE4534F3461F914726DA1DF6" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_975C9CBDE92B90E3516B914726DABD6A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_40E2FE7F2D99A3B502A4914726DA0781" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D3E9BF3AEE4534F3461F914726DA1DF6" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_40E2FE7F2D99A3B502A4914726DA0781" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_33A20BF413295CB93764914726DB9F42" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D3E9BF3AEE4534F3461F914726DA1DF6" xlink:to="loc_us-gaap_OperatingExpenses_33A20BF413295CB93764914726DB9F42" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_CF1C98C9F7E65A7C4433914726DB101B" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D3E9BF3AEE4534F3461F914726DA1DF6" xlink:to="loc_us-gaap_OperatingIncomeLoss_CF1C98C9F7E65A7C4433914726DB101B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_1A2C0F750239D893932F914726DB8CAA" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D3E9BF3AEE4534F3461F914726DA1DF6" xlink:to="loc_us-gaap_InterestExpense_1A2C0F750239D893932F914726DB8CAA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_820DF2D8C8032CCEC42B914726DB3816" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D3E9BF3AEE4534F3461F914726DA1DF6" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_820DF2D8C8032CCEC42B914726DB3816" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_CF412B518FF355949031914726DB00DA" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D3E9BF3AEE4534F3461F914726DA1DF6" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_CF412B518FF355949031914726DB00DA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_1869C34B116C1B05498E914726DBA2F7" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D3E9BF3AEE4534F3461F914726DA1DF6" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_1869C34B116C1B05498E914726DBA2F7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_9E2C80A88D27F41FA729914726DC6E76" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D3E9BF3AEE4534F3461F914726DA1DF6" xlink:to="loc_us-gaap_NetIncomeLoss_9E2C80A88D27F41FA729914726DC6E76" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_105FA9406BD2F8551344914726DCD0C0" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D3E9BF3AEE4534F3461F914726DA1DF6" xlink:to="loc_us-gaap_EarningsPerShareAbstract_105FA9406BD2F8551344914726DCD0C0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_D89BBD61BB4D0180EB71914726DCDAC8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareAbstract_105FA9406BD2F8551344914726DCD0C0" xlink:to="loc_us-gaap_EarningsPerShareBasic_D89BBD61BB4D0180EB71914726DCDAC8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_CCAE832D86C8CB753657914726DC6CAC" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareAbstract_105FA9406BD2F8551344914726DCD0C0" xlink:to="loc_us-gaap_EarningsPerShareDiluted_CCAE832D86C8CB753657914726DC6CAC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_C2FF49AAD2630B2912A8914726DC0B2A" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D3E9BF3AEE4534F3461F914726DA1DF6" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_C2FF49AAD2630B2912A8914726DC0B2A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_D4EB3331569BC31EF431914726DC9D1C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_C2FF49AAD2630B2912A8914726DC0B2A" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_D4EB3331569BC31EF431914726DC9D1C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_3541C6723A43E4682EFC914726DDD5A3" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_C2FF49AAD2630B2912A8914726DC0B2A" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_3541C6723A43E4682EFC914726DDD5A3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_13B9D32FA42A0E835042914726DD932A" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D3E9BF3AEE4534F3461F914726DA1DF6" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_13B9D32FA42A0E835042914726DD932A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_81ACAE20855C2B1F84E8914726DD8380" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_13B9D32FA42A0E835042914726DD932A" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_81ACAE20855C2B1F84E8914726DD8380" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_ECF67FC9223FAA3B2518914726DD7A00" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_13B9D32FA42A0E835042914726DD932A" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax_ECF67FC9223FAA3B2518914726DD7A00" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_D5C635B650B0835695EA914726DE5563" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_13B9D32FA42A0E835042914726DD932A" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_D5C635B650B0835695EA914726DE5563" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_0FDDF2B7F69B354297AC914726DE6260" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_D3E9BF3AEE4534F3461F914726DA1DF6" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_0FDDF2B7F69B354297AC914726DE6260" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/ConsolidatedStatementsOfOperationsAndComprehensiveIncomeParenthetical" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_127A9B8867F60544CC4053DC7B42A305" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_722CF07AB46E8C6BE1A653DC7B401F4B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_127A9B8867F60544CC4053DC7B42A305" xlink:to="loc_us-gaap_StatementTable_722CF07AB46E8C6BE1A653DC7B401F4B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_C995B96EE894959CD29F53DC7B41BD95" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_722CF07AB46E8C6BE1A653DC7B401F4B" xlink:to="loc_us-gaap_StatementScenarioAxis_C995B96EE894959CD29F53DC7B41BD95" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_D1D2F4CDB942EB7EDC8E53DC7B42716F_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_C995B96EE894959CD29F53DC7B41BD95" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_D1D2F4CDB942EB7EDC8E53DC7B42716F_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_D1D2F4CDB942EB7EDC8E53DC7B42716F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_C995B96EE894959CD29F53DC7B41BD95" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_D1D2F4CDB942EB7EDC8E53DC7B42716F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax_E4A32111C2AFCCB74B2753DC7B421264" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_127A9B8867F60544CC4053DC7B42A305" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodTax_E4A32111C2AFCCB74B2753DC7B421264" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax_FA1EBA5849F3A80AEAD353DC7B4361FB" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_127A9B8867F60544CC4053DC7B42A305" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax_FA1EBA5849F3A80AEAD353DC7B4361FB" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/ContingentLiabilitesAndCommitmentsNotes" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/ContingentLiabilitesAndCommitmentsRepurchaseCommitmentsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PurchaseCommitmentExcludingLongtermCommitmentLineItems" xlink:label="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentLineItems_A4791721D7CA1F5043ED5363C9387493" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PurchaseCommitmentExcludingLongtermCommitmentTable" xlink:label="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentTable_6DAD2D11554AFF2E47BC5363C937DFC0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentLineItems_A4791721D7CA1F5043ED5363C9387493" xlink:to="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentTable_6DAD2D11554AFF2E47BC5363C937DFC0" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:label="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_F89ED962C3541BB962195363C937D2D7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentTable_6DAD2D11554AFF2E47BC5363C937DFC0" xlink:to="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_F89ED962C3541BB962195363C937D2D7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="loc_us-gaap_LossContingencyNatureDomain_F97B263F537A1F3AE4705363C938E4F4_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_F89ED962C3541BB962195363C937D2D7" xlink:to="loc_us-gaap_LossContingencyNatureDomain_F97B263F537A1F3AE4705363C938E4F4_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="loc_us-gaap_LossContingencyNatureDomain_F97B263F537A1F3AE4705363C938E4F4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis_F89ED962C3541BB962195363C937D2D7" xlink:to="loc_us-gaap_LossContingencyNatureDomain_F97B263F537A1F3AE4705363C938E4F4" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_ObligationToRepurchaseFromDealersMember" xlink:label="loc_wgo_ObligationToRepurchaseFromDealersMember_466FEC729FD049D282BE5363C9385551" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingencyNatureDomain_F97B263F537A1F3AE4705363C938E4F4" xlink:to="loc_wgo_ObligationToRepurchaseFromDealersMember_466FEC729FD049D282BE5363C9385551" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_LossContingencyRepurchaseAgreementTerm" xlink:label="loc_wgo_LossContingencyRepurchaseAgreementTerm_BD015534A63BCF051FB55363C9383F0D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentLineItems_A4791721D7CA1F5043ED5363C9387493" xlink:to="loc_wgo_LossContingencyRepurchaseAgreementTerm_BD015534A63BCF051FB55363C9383F0D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LossContingencyEstimateOfPossibleLoss" xlink:label="loc_us-gaap_LossContingencyEstimateOfPossibleLoss_67CBA22F92F0C118CFF55363C93974ED" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentLineItems_A4791721D7CA1F5043ED5363C9387493" xlink:to="loc_us-gaap_LossContingencyEstimateOfPossibleLoss_67CBA22F92F0C118CFF55363C93974ED" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_AccruedLossOnRepurchases" xlink:label="loc_wgo_AccruedLossOnRepurchases_89AC3C79F5CAEFC79BE55363C9398A34" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PurchaseCommitmentExcludingLongtermCommitmentLineItems_A4791721D7CA1F5043ED5363C9387493" xlink:to="loc_wgo_AccruedLossOnRepurchases_89AC3C79F5CAEFC79BE55363C9398A34" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/DerivativesInvestmentsAndFairValueMeasurementsDerivativesInvestmentsAndFairValueMeasurementsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_E404453E9159074ADD515363C949A4FC" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_BAD5CDA982B55F3C5A9F5363C9470A3D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_E404453E9159074ADD515363C949A4FC" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_BAD5CDA982B55F3C5A9F5363C9470A3D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_9B56B52618373994BBC65363C947583C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_BAD5CDA982B55F3C5A9F5363C9470A3D" xlink:to="loc_us-gaap_DebtInstrumentAxis_9B56B52618373994BBC65363C947583C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_C6EC4B389F4CB953494C5363C94744FE_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_9B56B52618373994BBC65363C947583C" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_C6EC4B389F4CB953494C5363C94744FE_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_C6EC4B389F4CB953494C5363C94744FE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_9B56B52618373994BBC65363C947583C" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_C6EC4B389F4CB953494C5363C94744FE" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_TermLoanMember" xlink:label="loc_wgo_TermLoanMember_2BCDB91A7BF5E10C8D835363C948FA2B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_C6EC4B389F4CB953494C5363C94744FE" xlink:to="loc_wgo_TermLoanMember_2BCDB91A7BF5E10C8D835363C948FA2B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_E49A64EAE5AC696A38A55363C9487AC4" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_BAD5CDA982B55F3C5A9F5363C9470A3D" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_E49A64EAE5AC696A38A55363C9487AC4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_228760074F5B43B7DE8C5363C948D59C_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_E49A64EAE5AC696A38A55363C9487AC4" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_228760074F5B43B7DE8C5363C948D59C_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_228760074F5B43B7DE8C5363C948D59C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_E49A64EAE5AC696A38A55363C9487AC4" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_228760074F5B43B7DE8C5363C948D59C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_6191B6077382758F89525363C9483748" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_228760074F5B43B7DE8C5363C948D59C" xlink:to="loc_us-gaap_InterestRateSwapMember_6191B6077382758F89525363C9483748" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_43AC88D6C43BE29A97F25363C9492B9E" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_BAD5CDA982B55F3C5A9F5363C9470A3D" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_43AC88D6C43BE29A97F25363C9492B9E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_42563E163C8CBC2362A25363C949DCFF_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_43AC88D6C43BE29A97F25363C9492B9E" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_42563E163C8CBC2362A25363C949DCFF_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_42563E163C8CBC2362A25363C949DCFF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_43AC88D6C43BE29A97F25363C9492B9E" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_42563E163C8CBC2362A25363C949DCFF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueMeasurementsNonrecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsNonrecurringMember_142D058AF47C34A27BE65363C949E7DC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_42563E163C8CBC2362A25363C949DCFF" xlink:to="loc_us-gaap_FairValueMeasurementsNonrecurringMember_142D058AF47C34A27BE65363C949E7DC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_2D0CDF794A31C1B336F25363C94AFA50" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_E404453E9159074ADD515363C949A4FC" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_2D0CDF794A31C1B336F25363C94AFA50" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_DerivativeNotionalAmount" xlink:label="loc_invest_DerivativeNotionalAmount_31CA14D0CBFF454A2DFB5363C94A4C46" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_E404453E9159074ADD515363C949A4FC" xlink:to="loc_invest_DerivativeNotionalAmount_31CA14D0CBFF454A2DFB5363C94A4C46" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_A7DEEA144A3B0D28E9645363C94A6E9A" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_E404453E9159074ADD515363C949A4FC" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_A7DEEA144A3B0D28E9645363C94A6E9A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AssetImpairmentCharges" xlink:label="loc_us-gaap_AssetImpairmentCharges_90814E4A9BFD7B721ADF5363C94AB04A" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_E404453E9159074ADD515363C949A4FC" xlink:to="loc_us-gaap_AssetImpairmentCharges_90814E4A9BFD7B721ADF5363C94AB04A" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/DerivativesInvestmentsAndFairValueMeasurementsDerivativesInvestmentsAndFairValueMeasurementsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/DerivativesInvestmentsAndFairValueMeasurementsFairValueMeasurementsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_CBE6FC80B7B522DC3088832D6CA601E2" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_E35E68769CE467A0DA15832D6C9ED3D3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_CBE6FC80B7B522DC3088832D6CA601E2" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_E35E68769CE467A0DA15832D6C9ED3D3" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_1F3E39A3B1543B5256C3832D6C9FEE65" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_E35E68769CE467A0DA15832D6C9ED3D3" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_1F3E39A3B1543B5256C3832D6C9FEE65" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_8E7FC05A2D99D8606805832D6CA1A1B6_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_1F3E39A3B1543B5256C3832D6C9FEE65" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_8E7FC05A2D99D8606805832D6CA1A1B6_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_8E7FC05A2D99D8606805832D6CA1A1B6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_1F3E39A3B1543B5256C3832D6C9FEE65" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_8E7FC05A2D99D8606805832D6CA1A1B6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_F9AB211806D9A744E108832D6CA2EE48" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_8E7FC05A2D99D8606805832D6CA1A1B6" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_F9AB211806D9A744E108832D6CA2EE48" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_63BF954839880934A975832D6CA20281" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_E35E68769CE467A0DA15832D6C9ED3D3" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_63BF954839880934A975832D6CA20281" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_42DDDA6B75D9664C0EB1832D6CA20AD5_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_63BF954839880934A975832D6CA20281" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_42DDDA6B75D9664C0EB1832D6CA20AD5_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_42DDDA6B75D9664C0EB1832D6CA20AD5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_63BF954839880934A975832D6CA20281" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_42DDDA6B75D9664C0EB1832D6CA20AD5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_4C42F69FD376B406FD61832D6CA470BF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_42DDDA6B75D9664C0EB1832D6CA20AD5" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_4C42F69FD376B406FD61832D6CA470BF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_F342CD95C6DD94DC6511832D6CA548C0" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_42DDDA6B75D9664C0EB1832D6CA20AD5" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_F342CD95C6DD94DC6511832D6CA548C0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_1F66117F70AE16B95AFD832D6CA630E3" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_42DDDA6B75D9664C0EB1832D6CA20AD5" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_1F66117F70AE16B95AFD832D6CA630E3" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_DomesticEquityFunds" xlink:label="loc_wgo_DomesticEquityFunds_72D87CDB37ED7C151CAF832D6CA74260" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_CBE6FC80B7B522DC3088832D6CA601E2" xlink:to="loc_wgo_DomesticEquityFunds_72D87CDB37ED7C151CAF832D6CA74260" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_InternationalEquityFunds" xlink:label="loc_wgo_InternationalEquityFunds_F769F442704CD078F9A9832D6CA7D727" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_CBE6FC80B7B522DC3088832D6CA601E2" xlink:to="loc_wgo_InternationalEquityFunds_F769F442704CD078F9A9832D6CA7D727" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_FixedIncomeFunds" xlink:label="loc_wgo_FixedIncomeFunds_CB6D874EDEF44A7FB4A3832D6CA7C20E" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_CBE6FC80B7B522DC3088832D6CA601E2" xlink:to="loc_wgo_FixedIncomeFunds_CB6D874EDEF44A7FB4A3832D6CA7C20E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_InterestRateDerivativeAssetsAtFairValue" xlink:label="loc_us-gaap_InterestRateDerivativeAssetsAtFairValue_E44C9888080F05125A27832D6CA78AE7" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_CBE6FC80B7B522DC3088832D6CA601E2" xlink:to="loc_us-gaap_InterestRateDerivativeAssetsAtFairValue_E44C9888080F05125A27832D6CA78AE7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FairValueNetAssetLiability" xlink:label="loc_us-gaap_FairValueNetAssetLiability_E6BC3B2CDC65FA226971832D6CA867D2" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_CBE6FC80B7B522DC3088832D6CA601E2" xlink:to="loc_us-gaap_FairValueNetAssetLiability_E6BC3B2CDC65FA226971832D6CA867D2" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/DerivativesInvestmentsAndFairValueMeasurementsNotes" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/DocumentAndEntityInformation" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/EmployeeAndRetireeBenefitsEmployeeAndRetireeBenefitsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/EmployeeAndRetireeBenefitsNotes" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/EmployeeAndRetireeBenefitsScheduleOfDeferredCompensationBenefitsDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/GoodwillAndIntangibleAssetsFutureAmortizationOfIntangibleAssetsDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/GoodwillAndIntangibleAssetsGoodwillAndIntangibleAssetsNotes" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/GoodwillAndIntangibleAssetsGoodwillAndIntangibleAssetsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/GoodwillAndIntangibleAssetsScheduleOfGoodwillDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GoodwillLineItems" xlink:label="loc_us-gaap_GoodwillLineItems_075BA98E59EE8A8D020991419FB26C26" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfGoodwillTable" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_474626C190EBF934B6F191419FB05CEF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_GoodwillLineItems_075BA98E59EE8A8D020991419FB26C26" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_474626C190EBF934B6F191419FB05CEF" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_F144CF0976409F198F6991419FB1381F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_474626C190EBF934B6F191419FB05CEF" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_F144CF0976409F198F6991419FB1381F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_55D04C4C0B5B4AB6CF6191419FB15CA4_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_F144CF0976409F198F6991419FB1381F" xlink:to="loc_us-gaap_SegmentDomain_55D04C4C0B5B4AB6CF6191419FB15CA4_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_55D04C4C0B5B4AB6CF6191419FB15CA4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_F144CF0976409F198F6991419FB1381F" xlink:to="loc_us-gaap_SegmentDomain_55D04C4C0B5B4AB6CF6191419FB15CA4" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_TowableMember" xlink:label="loc_wgo_TowableMember_212F5083362B91DE489091419FB2F9E6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_55D04C4C0B5B4AB6CF6191419FB15CA4" xlink:to="loc_wgo_TowableMember_212F5083362B91DE489091419FB2F9E6" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_CorporateAllOtherMember" xlink:label="loc_wgo_CorporateAllOtherMember_C2C8E33297676052123691419FB2765C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_55D04C4C0B5B4AB6CF6191419FB15CA4" xlink:to="loc_wgo_CorporateAllOtherMember_C2C8E33297676052123691419FB2765C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_09F45F41AED61EED78FE91419FB3FD1E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_075BA98E59EE8A8D020991419FB26C26" xlink:to="loc_us-gaap_Goodwill_09F45F41AED61EED78FE91419FB3FD1E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_GoodwillPurchaseAccountingAdjustments" xlink:label="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_00DFB05DA53C2511959B91419FB35E3E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillLineItems_075BA98E59EE8A8D020991419FB26C26" xlink:to="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_00DFB05DA53C2511959B91419FB35E3E" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/GoodwillAndIntangibleAssetsScheduleOfIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:href="wgo-20190223.xsd#wgo_ScheduleofIntangibleAssetsLineItems" xlink:label="loc_wgo_ScheduleofIntangibleAssetsLineItems_FFFC95D46FF83D651EAC5363C913DAE7" xlink:type="locator" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_ScheduleofIntangibleAssetsTable" xlink:label="loc_wgo_ScheduleofIntangibleAssetsTable_E1A238786B48DE8A57D95363C91058AE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_wgo_ScheduleofIntangibleAssetsLineItems_FFFC95D46FF83D651EAC5363C913DAE7" xlink:to="loc_wgo_ScheduleofIntangibleAssetsTable_E1A238786B48DE8A57D95363C91058AE" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_42266C98F935FAC416495363C91021DE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_wgo_ScheduleofIntangibleAssetsTable_E1A238786B48DE8A57D95363C91058AE" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_42266C98F935FAC416495363C91021DE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9D3F90250023E01744665363C9105E61_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_42266C98F935FAC416495363C91021DE" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9D3F90250023E01744665363C9105E61_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9D3F90250023E01744665363C9105E61" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_42266C98F935FAC416495363C91021DE" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9D3F90250023E01744665363C9105E61" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_DealerNetworkMember" xlink:label="loc_wgo_DealerNetworkMember_3D0D79F73C5A05A779AD5363C91130D5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9D3F90250023E01744665363C9105E61" xlink:to="loc_wgo_DealerNetworkMember_3D0D79F73C5A05A779AD5363C91130D5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OrderOrProductionBacklogMember" xlink:label="loc_us-gaap_OrderOrProductionBacklogMember_1F7B10080298669BD4B65363C9110FD7" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9D3F90250023E01744665363C9105E61" xlink:to="loc_us-gaap_OrderOrProductionBacklogMember_1F7B10080298669BD4B65363C9110FD7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NoncompeteAgreementsMember" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_A918AA27678C04DEF8195363C911A238" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9D3F90250023E01744665363C9105E61" xlink:to="loc_us-gaap_NoncompeteAgreementsMember_A918AA27678C04DEF8195363C911A238" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OffMarketFavorableLeaseMember" xlink:label="loc_us-gaap_OffMarketFavorableLeaseMember_1753E05B37200C8FB17A5363C912A7D4" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_9D3F90250023E01744665363C9105E61" xlink:to="loc_us-gaap_OffMarketFavorableLeaseMember_1753E05B37200C8FB17A5363C912A7D4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_7FB601E2C037F80E33265363C9125DE3" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_wgo_ScheduleofIntangibleAssetsTable_E1A238786B48DE8A57D95363C91058AE" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_7FB601E2C037F80E33265363C9125DE3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_F194A4B0A1158CF4DD895363C9124000_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_7FB601E2C037F80E33265363C9125DE3" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_F194A4B0A1158CF4DD895363C9124000_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_F194A4B0A1158CF4DD895363C9124000" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_7FB601E2C037F80E33265363C9125DE3" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_F194A4B0A1158CF4DD895363C9124000" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="loc_us-gaap_TradeNamesMember_E301115AE1A664C66A535363C9122DB6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_F194A4B0A1158CF4DD895363C9124000" xlink:to="loc_us-gaap_TradeNamesMember_E301115AE1A664C66A535363C9122DB6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_7B10C462158A453419EA5363C913AD1F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wgo_ScheduleofIntangibleAssetsLineItems_FFFC95D46FF83D651EAC5363C913DAE7" xlink:to="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_7B10C462158A453419EA5363C913AD1F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_6165CB00E60664AE63215363C91330D2" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wgo_ScheduleofIntangibleAssetsLineItems_FFFC95D46FF83D651EAC5363C913DAE7" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_6165CB00E60664AE63215363C91330D2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_OtherIntangibleAssetsNet" xlink:label="loc_us-gaap_OtherIntangibleAssetsNet_BEEB64C37D4E4CAE4D675363C91300F6" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wgo_ScheduleofIntangibleAssetsLineItems_FFFC95D46FF83D651EAC5363C913DAE7" xlink:to="loc_us-gaap_OtherIntangibleAssetsNet_BEEB64C37D4E4CAE4D675363C91300F6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_5D5D7B75867C8EE88C065363C91347EB" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wgo_ScheduleofIntangibleAssetsLineItems_FFFC95D46FF83D651EAC5363C913DAE7" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_5D5D7B75867C8EE88C065363C91347EB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_C76A4F49DFE3F86BD5925363C91499CC" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_wgo_ScheduleofIntangibleAssetsLineItems_FFFC95D46FF83D651EAC5363C913DAE7" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_C76A4F49DFE3F86BD5925363C91499CC" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/IncomePerShareIncomePerShareDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareDilutedLineItems" xlink:label="loc_us-gaap_EarningsPerShareDilutedLineItems_C63700D4881312A871B957761DE17508" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_D1AA43E5417138D7701357761DDFB48B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EarningsPerShareDilutedLineItems_C63700D4881312A871B957761DE17508" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_D1AA43E5417138D7701357761DDFB48B" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_7E1C0C7FA16BFAF8E85957761DDFD4BD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_D1AA43E5417138D7701357761DDFB48B" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_7E1C0C7FA16BFAF8E85957761DDFD4BD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_D866203CA874EFC97DF257761DE0E8B1_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_7E1C0C7FA16BFAF8E85957761DDFD4BD" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_D866203CA874EFC97DF257761DE0E8B1_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_D866203CA874EFC97DF257761DE0E8B1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_7E1C0C7FA16BFAF8E85957761DDFD4BD" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_D866203CA874EFC97DF257761DE0E8B1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="loc_us-gaap_EmployeeStockOptionMember_1C3F6D0C02119353D89857761DE07622" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_D866203CA874EFC97DF257761DE0E8B1" xlink:to="loc_us-gaap_EmployeeStockOptionMember_1C3F6D0C02119353D89857761DE07622" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_50D53F620EC0912CB45E57761DE1A583" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedLineItems_C63700D4881312A871B957761DE17508" xlink:to="loc_us-gaap_NetIncomeLoss_50D53F620EC0912CB45E57761DE1A583" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_B6003184196901094DF757761DE161B9" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedLineItems_C63700D4881312A871B957761DE17508" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_B6003184196901094DF757761DE161B9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_D56397BDEB4EAB141B8557761DE110D9" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedLineItems_C63700D4881312A871B957761DE17508" xlink:to="loc_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_D56397BDEB4EAB141B8557761DE110D9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_205154B8D7D788FBE15257761DE25AF4" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedLineItems_C63700D4881312A871B957761DE17508" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_205154B8D7D788FBE15257761DE25AF4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_8C14C0DE35CB72F081DA57761DE285C3" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedLineItems_C63700D4881312A871B957761DE17508" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_8C14C0DE35CB72F081DA57761DE285C3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_55EA18C0755C9A7BD22657761DE28577" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedLineItems_C63700D4881312A871B957761DE17508" xlink:to="loc_us-gaap_EarningsPerShareBasic_55EA18C0755C9A7BD22657761DE28577" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_F3D842433C54DBBE7AF957761DE2945E" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedLineItems_C63700D4881312A871B957761DE17508" xlink:to="loc_us-gaap_EarningsPerShareDiluted_F3D842433C54DBBE7AF957761DE2945E" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/IncomePerShareIncomePerShareTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/IncomePerShareNotes" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/IncomeTaxesIncomeTaxesNarrativeDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/IncomeTaxesNotes" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/InventoriesInventoriesBalanceDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/InventoriesInventoriesBasisDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/InventoriesInventoriesTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/InventoriesNotes" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/LongTermDebtComponentsOfLongTermDebtDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_31309C67FBB9CFCEBE5D9147261D05C3" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_B592B810B14993BCEF819147261CFEE8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_31309C67FBB9CFCEBE5D9147261D05C3" xlink:to="loc_us-gaap_DebtInstrumentTable_B592B810B14993BCEF819147261CFEE8" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_34F44BA6DEF33B2187119147261C2730" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_B592B810B14993BCEF819147261CFEE8" xlink:to="loc_us-gaap_DebtInstrumentAxis_34F44BA6DEF33B2187119147261C2730" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_890209A902B559C8A9049147261CEB68_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_34F44BA6DEF33B2187119147261C2730" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_890209A902B559C8A9049147261CEB68_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_890209A902B559C8A9049147261CEB68" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_34F44BA6DEF33B2187119147261C2730" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_890209A902B559C8A9049147261CEB68" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_ABLCreditFacilityMember" xlink:label="loc_wgo_ABLCreditFacilityMember_97722D94EEFBC4DBA40B9147261CCEBA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_890209A902B559C8A9049147261CEB68" xlink:to="loc_wgo_ABLCreditFacilityMember_97722D94EEFBC4DBA40B9147261CCEBA" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_TermLoanMember" xlink:label="loc_wgo_TermLoanMember_C076269DA5CFE9AE153D9147261D8F9F" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_890209A902B559C8A9049147261CEB68" xlink:to="loc_wgo_TermLoanMember_C076269DA5CFE9AE153D9147261D8F9F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_D5A10496B44B6DDE1BC19147261D743F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_31309C67FBB9CFCEBE5D9147261D05C3" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_D5A10496B44B6DDE1BC19147261D743F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DeferredFinanceCostsNet" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_E0F7CFF7B21A263C09129147261D17C2" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_31309C67FBB9CFCEBE5D9147261D05C3" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_E0F7CFF7B21A263C09129147261D17C2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_3C015E084F557400B5979147261D9A23" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_31309C67FBB9CFCEBE5D9147261D05C3" xlink:to="loc_us-gaap_LongTermDebt_3C015E084F557400B5979147261D9A23" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="loc_us-gaap_LongTermDebtCurrent_4ED1E271D9C3D10B81169147261DD0C5" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_31309C67FBB9CFCEBE5D9147261D05C3" xlink:to="loc_us-gaap_LongTermDebtCurrent_4ED1E271D9C3D10B81169147261DD0C5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_C8DA0004A5FDD77699079147261E0729" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_31309C67FBB9CFCEBE5D9147261D05C3" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_C8DA0004A5FDD77699079147261E0729" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/LongTermDebtLongTermDebtContractualMaturitiesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_74E3B9D44813EFDC60909147261532EE" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_D864D49FBF43502B0A1591472614F93C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_74E3B9D44813EFDC60909147261532EE" xlink:to="loc_us-gaap_DebtInstrumentTable_D864D49FBF43502B0A1591472614F93C" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_552F8A76AC3FF5962B9E9147261446D7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_D864D49FBF43502B0A1591472614F93C" xlink:to="loc_us-gaap_DebtInstrumentAxis_552F8A76AC3FF5962B9E9147261446D7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_E3156E3B3F2E927613D891472615D6BB_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_552F8A76AC3FF5962B9E9147261446D7" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_E3156E3B3F2E927613D891472615D6BB_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_E3156E3B3F2E927613D891472615D6BB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_552F8A76AC3FF5962B9E9147261446D7" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_E3156E3B3F2E927613D891472615D6BB" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_TermLoanMember" xlink:label="loc_wgo_TermLoanMember_75ADB7A47A2325159F72914726153AE0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_E3156E3B3F2E927613D891472615D6BB" xlink:to="loc_wgo_TermLoanMember_75ADB7A47A2325159F72914726153AE0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_25706A7352B2ACBD73CE914726151FD2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_74E3B9D44813EFDC60909147261532EE" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_25706A7352B2ACBD73CE914726151FD2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_F2D55620D9725B09C2E3914726168363" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_74E3B9D44813EFDC60909147261532EE" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_F2D55620D9725B09C2E3914726168363" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_2A547AA88F0BDD2AC37F91472616859C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_74E3B9D44813EFDC60909147261532EE" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_2A547AA88F0BDD2AC37F91472616859C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_3FD85F9FC2474A65B6E791472616CB58" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_74E3B9D44813EFDC60909147261532EE" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_3FD85F9FC2474A65B6E791472616CB58" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_E80D47C7DC9EC2435417914726160697" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_74E3B9D44813EFDC60909147261532EE" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_E80D47C7DC9EC2435417914726160697" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_6A074DEC9435C346A30391472617EE9D" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_74E3B9D44813EFDC60909147261532EE" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_6A074DEC9435C346A30391472617EE9D" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/LongTermDebtLongTermDebtNotes" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/LongTermDebtLongTermDebtTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/PropertyPlantAndEquipmentNotes" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/PropertyPlantAndEquipmentPropertyPlantAndEquipmentDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_4C51D93239BA0B8FE9A4577157F617C8" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_28FC2241A1F6C75ED035577157F418DE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_4C51D93239BA0B8FE9A4577157F617C8" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_28FC2241A1F6C75ED035577157F418DE" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_CB936EF2B8920BA77316577157F54E86" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_28FC2241A1F6C75ED035577157F418DE" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_CB936EF2B8920BA77316577157F54E86" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_79D89261E58E5BFFDC43577157F5C430_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_CB936EF2B8920BA77316577157F54E86" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_79D89261E58E5BFFDC43577157F5C430_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_79D89261E58E5BFFDC43577157F5C430" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_CB936EF2B8920BA77316577157F54E86" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_79D89261E58E5BFFDC43577157F5C430" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_LandMember" xlink:label="loc_us-gaap_LandMember_EF3A208C4615EC9B45C4577157F57116" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_79D89261E58E5BFFDC43577157F5C430" xlink:to="loc_us-gaap_LandMember_EF3A208C4615EC9B45C4577157F57116" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_BuildingAndBuildingImprovementsMember" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_C34A3D6F8F9ECFC82662577157F68820" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_79D89261E58E5BFFDC43577157F5C430" xlink:to="loc_us-gaap_BuildingAndBuildingImprovementsMember_C34A3D6F8F9ECFC82662577157F68820" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_MachineryAndEquipmentMember" xlink:label="loc_us-gaap_MachineryAndEquipmentMember_5FECDA2386AD4562D97C577157F6C743" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_79D89261E58E5BFFDC43577157F5C430" xlink:to="loc_us-gaap_MachineryAndEquipmentMember_5FECDA2386AD4562D97C577157F6C743" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SoftwareAndSoftwareDevelopmentCostsMember" xlink:label="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_CA7463D323DB14E049FA577157F6C34F" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_79D89261E58E5BFFDC43577157F5C430" xlink:to="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_CA7463D323DB14E049FA577157F6C34F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_TransportationEquipmentMember" xlink:label="loc_us-gaap_TransportationEquipmentMember_2A70264E07896171D5BD577157F68529" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_79D89261E58E5BFFDC43577157F5C430" xlink:to="loc_us-gaap_TransportationEquipmentMember_2A70264E07896171D5BD577157F68529" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_03C793138554C7F34893577157F7ADB1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_4C51D93239BA0B8FE9A4577157F617C8" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_03C793138554C7F34893577157F7ADB1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_A230E035CB7BA5E3284B577157F7F704" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_4C51D93239BA0B8FE9A4577157F617C8" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_A230E035CB7BA5E3284B577157F7F704" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_94196CDF308FB4FE5C5C577157F78B10" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_4C51D93239BA0B8FE9A4577157F617C8" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_94196CDF308FB4FE5C5C577157F78B10" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Depreciation" xlink:label="loc_us-gaap_Depreciation_7EB254C729223BE7030B577157F75C5D" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_4C51D93239BA0B8FE9A4577157F617C8" xlink:to="loc_us-gaap_Depreciation_7EB254C729223BE7030B577157F75C5D" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/PropertyPlantAndEquipmentPropertyPlantAndEquipmentTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/RestructuringRestructuringDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_50F8766263238EFABBEF7E0AA2C2FB99" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_AD57F7974063A710D9287E0AA2BFC97D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_50F8766263238EFABBEF7E0AA2C2FB99" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_AD57F7974063A710D9287E0AA2BFC97D" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestructuringPlanAxis" xlink:label="loc_us-gaap_RestructuringPlanAxis_8DD3487FFB727B43EEDC7E0AA2BF0210" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_AD57F7974063A710D9287E0AA2BFC97D" xlink:to="loc_us-gaap_RestructuringPlanAxis_8DD3487FFB727B43EEDC7E0AA2BF0210" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestructuringPlanDomain" xlink:label="loc_us-gaap_RestructuringPlanDomain_25E68F8F54486DBF879B7E0AA2BF347A_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RestructuringPlanAxis_8DD3487FFB727B43EEDC7E0AA2BF0210" xlink:to="loc_us-gaap_RestructuringPlanDomain_25E68F8F54486DBF879B7E0AA2BF347A_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestructuringPlanDomain" xlink:label="loc_us-gaap_RestructuringPlanDomain_25E68F8F54486DBF879B7E0AA2BF347A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RestructuringPlanAxis_8DD3487FFB727B43EEDC7E0AA2BF0210" xlink:to="loc_us-gaap_RestructuringPlanDomain_25E68F8F54486DBF879B7E0AA2BF347A" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_JunctionCityORProductionSiteDomain" xlink:label="loc_wgo_JunctionCityORProductionSiteDomain_7ED7E1D381609A18F3777E0AA2BF8063" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringPlanDomain_25E68F8F54486DBF879B7E0AA2BF347A" xlink:to="loc_wgo_JunctionCityORProductionSiteDomain_7ED7E1D381609A18F3777E0AA2BF8063" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_56A91E24728FCE6730697E0AA2C0F2E6" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_AD57F7974063A710D9287E0AA2BFC97D" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_56A91E24728FCE6730697E0AA2C0F2E6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_7FD2234F9CBD2C5CBF527E0AA2C04F8A_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_56A91E24728FCE6730697E0AA2C0F2E6" xlink:to="loc_us-gaap_SegmentDomain_7FD2234F9CBD2C5CBF527E0AA2C04F8A_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_7FD2234F9CBD2C5CBF527E0AA2C04F8A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_56A91E24728FCE6730697E0AA2C0F2E6" xlink:to="loc_us-gaap_SegmentDomain_7FD2234F9CBD2C5CBF527E0AA2C04F8A" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_MotorhomeMember" xlink:label="loc_wgo_MotorhomeMember_29729636640E245949997E0AA2C1E453" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_7FD2234F9CBD2C5CBF527E0AA2C04F8A" xlink:to="loc_wgo_MotorhomeMember_29729636640E245949997E0AA2C1E453" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_8B4DEFD306349DBEE88D7E0AA2C10446" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_AD57F7974063A710D9287E0AA2BFC97D" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_8B4DEFD306349DBEE88D7E0AA2C10446" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_2DE2D9B0E5D8B57D79677E0AA2C1C61E_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_8B4DEFD306349DBEE88D7E0AA2C10446" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_2DE2D9B0E5D8B57D79677E0AA2C1C61E_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_2DE2D9B0E5D8B57D79677E0AA2C1C61E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_8B4DEFD306349DBEE88D7E0AA2C10446" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_2DE2D9B0E5D8B57D79677E0AA2C1C61E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_87311988100AD74C28DC7E0AA2C12B0E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_2DE2D9B0E5D8B57D79677E0AA2C1C61E" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_87311988100AD74C28DC7E0AA2C12B0E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_7CF1AC2F868DC2051D207E0AA2C14AA2" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_AD57F7974063A710D9287E0AA2BFC97D" xlink:to="loc_us-gaap_StatementScenarioAxis_7CF1AC2F868DC2051D207E0AA2C14AA2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_9BC970995A304C09DE137E0AA2C29DC9_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementScenarioAxis_7CF1AC2F868DC2051D207E0AA2C14AA2" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_9BC970995A304C09DE137E0AA2C29DC9_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_9BC970995A304C09DE137E0AA2C29DC9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementScenarioAxis_7CF1AC2F868DC2051D207E0AA2C14AA2" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_9BC970995A304C09DE137E0AA2C29DC9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ScenarioForecastMember" xlink:label="loc_us-gaap_ScenarioForecastMember_2066652BD5099B24828A7E0AA2C22750" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScenarioUnspecifiedDomain_9BC970995A304C09DE137E0AA2C29DC9" xlink:to="loc_us-gaap_ScenarioForecastMember_2066652BD5099B24828A7E0AA2C22750" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="loc_us-gaap_RestructuringCharges_C1F72EE4EDE58087F8C87E0AA2C22A98" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_50F8766263238EFABBEF7E0AA2C2FB99" xlink:to="loc_us-gaap_RestructuringCharges_C1F72EE4EDE58087F8C87E0AA2C22A98" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/RestructuringRestructuringNotes" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/RevenueRevenueDisaggregationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_8201115A262CAA5E8977832C0E42C7EE" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_DisaggregationOfRevenueTable" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_7C1A8B1509D68AFE7558832C0E3CB401" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_8201115A262CAA5E8977832C0E42C7EE" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_7C1A8B1509D68AFE7558832C0E3CB401" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_722889336BA8519D5EDE832C0E3DD8AC" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_7C1A8B1509D68AFE7558832C0E3CB401" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_722889336BA8519D5EDE832C0E3DD8AC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_12135CD34A5BD758FFB4832C0E3E7588_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_722889336BA8519D5EDE832C0E3DD8AC" xlink:to="loc_us-gaap_SegmentDomain_12135CD34A5BD758FFB4832C0E3E7588_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_12135CD34A5BD758FFB4832C0E3E7588" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_722889336BA8519D5EDE832C0E3DD8AC" xlink:to="loc_us-gaap_SegmentDomain_12135CD34A5BD758FFB4832C0E3E7588" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_MotorhomeMember" xlink:label="loc_wgo_MotorhomeMember_0BD09BD41329D51387F7832C0E3E3807" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_12135CD34A5BD758FFB4832C0E3E7588" xlink:to="loc_wgo_MotorhomeMember_0BD09BD41329D51387F7832C0E3E3807" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_TowableMember" xlink:label="loc_wgo_TowableMember_9F57B991931D8808DF56832C0E3F44F1" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_12135CD34A5BD758FFB4832C0E3E7588" xlink:to="loc_wgo_TowableMember_9F57B991931D8808DF56832C0E3F44F1" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_CorporateAllOtherMember" xlink:label="loc_wgo_CorporateAllOtherMember_D966E203043095341C4D832C0E3F0E26" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_12135CD34A5BD758FFB4832C0E3E7588" xlink:to="loc_wgo_CorporateAllOtherMember_D966E203043095341C4D832C0E3F0E26" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductOrServiceAxis" xlink:label="loc_srt_ProductOrServiceAxis_4E9E30C7558B01805210832C0E40A64E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_7C1A8B1509D68AFE7558832C0E3CB401" xlink:to="loc_srt_ProductOrServiceAxis_4E9E30C7558B01805210832C0E40A64E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_ECAB36F0D0C0738799D0832C0E40EFE6_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_4E9E30C7558B01805210832C0E40A64E" xlink:to="loc_srt_ProductsAndServicesDomain_ECAB36F0D0C0738799D0832C0E40EFE6_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ProductsAndServicesDomain" xlink:label="loc_srt_ProductsAndServicesDomain_ECAB36F0D0C0738799D0832C0E40EFE6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_4E9E30C7558B01805210832C0E40A64E" xlink:to="loc_srt_ProductsAndServicesDomain_ECAB36F0D0C0738799D0832C0E40EFE6" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_ClassADomain" xlink:label="loc_wgo_ClassADomain_C591B1B5B7575BC41B9A832C0E414C22" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_ECAB36F0D0C0738799D0832C0E40EFE6" xlink:to="loc_wgo_ClassADomain_C591B1B5B7575BC41B9A832C0E414C22" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_ClassBDomain" xlink:label="loc_wgo_ClassBDomain_533DC0F37DD1F5B622F8832C0E41AD3B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_ECAB36F0D0C0738799D0832C0E40EFE6" xlink:to="loc_wgo_ClassBDomain_533DC0F37DD1F5B622F8832C0E41AD3B" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_ClassCDomain" xlink:label="loc_wgo_ClassCDomain_73BBBDDA98CA5A57F242832C0E41B6A9" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_ECAB36F0D0C0738799D0832C0E40EFE6" xlink:to="loc_wgo_ClassCDomain_73BBBDDA98CA5A57F242832C0E41B6A9" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_FifthWheelDomain" xlink:label="loc_wgo_FifthWheelDomain_50FE67A3E07F8E941630832C0E4239A0" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_ECAB36F0D0C0738799D0832C0E40EFE6" xlink:to="loc_wgo_FifthWheelDomain_50FE67A3E07F8E941630832C0E4239A0" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_TravelTrailerDomain" xlink:label="loc_wgo_TravelTrailerDomain_F7F0A8BD467BB5F19EF6832C0E4119D9" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_ECAB36F0D0C0738799D0832C0E40EFE6" xlink:to="loc_wgo_TravelTrailerDomain_F7F0A8BD467BB5F19EF6832C0E4119D9" xlink:type="arc" />
    <link:loc xlink:href="wgo-20190223.xsd#wgo_OtherDomain" xlink:label="loc_wgo_OtherDomain_EDE7AE55614C30F63153832C0E42AB12" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_ECAB36F0D0C0738799D0832C0E40EFE6" xlink:to="loc_wgo_OtherDomain_EDE7AE55614C30F63153832C0E42AB12" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_C5EE092A88AF2CA50EB3832C0E434398" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_8201115A262CAA5E8977832C0E42C7EE" xlink:to="loc_us-gaap_Revenues_C5EE092A88AF2CA50EB3832C0E434398" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/RevenueRevenueNotes" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/RevenueRevenueTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/StockBasedCompensation" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/StockBasedCompensationStockBasedCompensationNarrativeDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/WarrantyNotes" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/WarrantyScheduleOfProductWarrantyLiabilityDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.winnebagoind.com/role/WarrantyWarrantyTables" xlink:type="extended" />
</link:linkbase>
