Breadcrumb Home > Thesaurus > F Synonyms of fistula Find synonyms for: Noun 1. fistulous withers, fistula, animal disease usage: a chronic inflammation of the withers of a horse 2. fistula, sinus, passage, passageway usage: an abnormal passage leading from a suppurating cavity to the body surface WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of fistula (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: fatuous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language