No standalone use in modern Chinese. It carries several classical readings: qǐ "to stand on tiptoe / yearn", qí "a sixth toe", and jī "foot". It is the foot radical 足 plus phonetic 支.
register
Classical and literary only; seen in texts such as the 荀子 and old commentaries, not in speech.
The foot radical on the left. It carries the meaning, tying the character to actions of the feet such as standing on tiptoe, the same family as 跑 and 跳.
