/ ˈduːveɪ; NAmE ; NAmE also du:ˈveɪ/ (also ˌcontinental ˈquilt , quilt ) noun
(all BrE ) a large cloth bag that is filled with feathers or other soft material and that you have on top of you in bed to keep yourself warm :
a duvet cover (= a cover that you can wash, that you put over a duvet )
—picture at bed
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WORD ORIGIN
mid 18th cent.: from French , literally down .