Breadcrumb Home > Thesaurus > C Synonyms of coccyx Find synonyms for: Noun 1. coccyx, tail bone, bone, os usage: the end of the vertebral column in humans and tailless apes WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of coccyx (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: terraincognita Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language