椅背 yǐbèi back of a chair Definitions Defs Origin Strokes Stroke Words Sentences Sents 椅 yǐ noun chair (bound form) chair; seat; used to form words for various types of chairs, such as 椅子 yǐzi背 bèi noun reverse side the back or reverse side of an object (e.g. hand, knife, chair, or paper)