1A duvet/comforter — a thick cover placed over a bed or futon, often filled (e.g., with down) to keep warm.
冬は厚い掛け布団を使って寝る。
In winter I sleep with a thick comforter.
この掛け布団は羽毛入りで軽くて暖かい。
This duvet is filled with down — light and warm.
掛け布団のカバーを洗濯した後、掛け布団本体は風通しの良い場所で陰干ししてください。
After washing the duvet cover, please dry the duvet itself in a well-ventilated place out of direct sunlight.
シングルベッド用の掛け布団を一枚ください。
Please give me one duvet for a single bed.