noun
duvet; quilt; comforter; top futon
Refers to the top cover used with a Japanese futon set, as opposed to 敷き布団 (bottom futon). In Western contexts, it can also mean a duvet or comforter.
See also: 敷き布団
寒いので、厚手の掛け布団を出した。
Because it's cold, I took out a thick duvet.
掛け布団を干して、ふかふかにした。
I aired the top futon and made it fluffy.