Breadcrumb Home > Thesaurus > I Synonyms of inion Find synonyms for: Noun 1. inion, craniometric point usage: the craniometric point that is the most prominent point at the back of the head (at the occipital protuberance) WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of inion (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: insitu Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language