Breadcrumb Home > Thesaurus > C Synonyms of chitin Find synonyms for: Noun 1. chitin, polysaccharide, polyose usage: a tough semitransparent horny substance; the principal component of the exoskeletons of arthropods and the cell walls of certain fungi WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of chitin (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: demagogue Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language