老茧 lǎojiǎn callus Origin Definitions Defs Strokes Stroke Words Sentences Sents 老 lǎo adjective tough (of food) tough; overcooked; (of vegetables) overgrown; past their prime茧 繭 jiǎn callus A patch of thick, hardened skin on the palms of the hands or soles of the feet caused by repeated friction.