炬燵

こたつ· also コタツ

kotatsu; table over an electric heater, with a hanging quilt to retain heat (orig. over a charcoal brazier in a floor well)

JLPT N1 Common word Also written 火燵

Meanings

Noun
kotatsu; table over an electric heater, with a hanging quilt to retain heat (orig. over a charcoal brazier in a floor well)

Example sentences

ある日ひ、私わたしが戻もどってくると、女房にょうぼうと、友人ゆうじんの某ぼうとが、炬燵こたつの中なかに入はいっているのである。

One day, I came back and my wife and one of my friends were inside the kotatsu.
こたつで寝ねちゃったら風邪引かぜひくのはあたりまえ。自己管理じこかんりがなっていない。

Of course you'll catch a cold if you fall asleep under the kotatsu. You have to learn to take care of yourself.