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. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: eponymous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language