noun
backrest; back of a chair
Refers to the part of a chair, seat, or bench that supports the back.
この椅子は背もたれが低い。
This chair has a low backrest.
背もたれに寄りかかって休んだ。
I leaned back against the backrest and rested.
Standard modern spelling.
Rare kanji form; 凭 is not a jōyō kanji.
Compound of 背 (se, 'back') and もたれ (motare, the continuative form of もたれる 'to lean on').