/ Thesaurus / C Synonyms of caudal appendage Find synonyms for: Noun1. caudal appendage, tailusage: tail especially of a mammal posterior to and above the anusWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language