单耳刀儿 dān'ěrdāor single ear radical Origin Definitions Defs Strokes Stroke Words Sentences Sents 单 單 dān adjective single single; individual; alone; separate耳刀儿 耳刀兒 ěrdāor knife radical The name used to describe common character components that look like an ear; specifically the radical 卩 jié when it appears on the right side of a character.