Breadcrumb Home > Thesaurus > D Synonyms of dilator Find synonyms for: Noun 1. dilator, body part usage: a muscle or nerve that dilates or widens a body part 2. dilator, drug usage: a drug that causes dilation 3. dilator, dilater, surgical instrument usage: a surgical instrument that is used to dilate or distend an opening or an organ WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of dilator (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: punctilio Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language