老蚕作茧 lǎocánzuòjiǎn toiling in old age Origin Definitions Defs Strokes Stroke Words Sentences Sents 老 lǎo adjective old old; aged; (of people) venerable蚕 蠶 cán silkworm silkworm; any of various silkworm moth larvae that produce silk for textile use作茧 作繭 zuòjiǎn to spin a cocoon (of a silkworm) to spin a cocoon and become a pupa