Breadcrumb Home > Thesaurus > E Synonyms of ethmoid Find synonyms for: Noun 1. ethmoid, ethmoid bone, bone, os usage: one of the eight bones of the cranium; a small bone filled with air spaces that forms part of the eye sockets and the nasal cavity WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of ethmoid (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: desultory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language