- 单耳刀儿 dān'ěrdāor single ear radicalthe name of the Chinese character radical for seal or kneeling person, typically written on the right side of a character
- 双耳刀儿 shuāng'ěrdāor ear radicalthe name for the radical derived from the word for mound or town, when appearing on either the left or right side of a character
- 耳刀儿 ěrdāor knife radicalThe name used to describe common character components that look like an ear; specifically the radical [[卩|卩|jie2]] when it appears on the right side of a character.