/ Thesaurus / H Synonyms of handbasin Find synonyms for: Noun1. washbasin, handbasin, washbowl, lavabo, wash-hand basin, basinusage: a basin for washing the hands (`wash-hand basin' is a British expression)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language