Breadcrumb Home > Thesaurus > C Synonyms of chaetognath Find synonyms for: Noun 1. arrowworm, chaetognath, worm usage: any worm of the Chaetognatha; transparent marine worm with horizontal lateral and caudal fins and a row of movable curved spines at each side of the mouth WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of chaetognath (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