/ Thesaurus / E Synonyms of engine cooling system Find synonyms for: Noun1. cooling system, engine cooling system, equipmentusage: equipment in a motor vehicle that cools the engineWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language