duvet
n.n. a soft, warm blanket filled with feathers or down. You use it to stay warm while you sleep at night.
n. a soft, warm blanket filled with feathers, down, or synthetic fibers. Often used in British English to refer to the entire bedding set including the cover.
I prefer a thick duvet to stay warm during the winter.
The hotel provides a heavy goose-down duvet to ensure guests stay comfortable in the cold mountain air.
While some travelers prefer the lightness of a synthetic duvet for its hypoallergenic properties, others find the natural loft of a feather-filled option to be superior for insulation.
From French duvet, from Middle French duvet, from Old French duvet (“down, the feathers of young birds”), alteration of dumet, dumect, which in turn derives from dum, dun (“down, feathers”), from Old Norse dúnn (“down, down feather”), from Proto-Germanic dūnaz (“down”), from Proto-Indo-European dʰewh₂- (“to smoke, fume, raise dust”). Cognate with Icelandic dúnn (“down”), Danish dun (“down”), German Daune (“down”), Dutch dons (“down”). More at down.