DHCBOa woman who works as a cleaner, especially in someone’s house 〔尤指打扫住宅的〕清洁女工
Examples from the Corpus
charwoman• You're a charwoman for Mrs Charlton, but round about here they have a number of names for you.• Supposed to be matron, and knew no more than a charwoman.• She has also a splendidcharwoman.
Origincharwoman
(1500-1600)chare“work”((14-19 centuries)) (from chare“turn, piece of work”((11-17 centuries)), from Old Englishcerr) + woman