/ Thesaurus / W Synonyms of water pump Find synonyms for: Noun1. water pump, pumpusage: the pump in the cooling system of an automobile that cause the water to circulateWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language