/ Thesaurus / O Synonyms of os pubis Find synonyms for: Noun1. pubis, pubic bone, os pubis, bone, osusage: one of the three sections of the hipbone; together these two bones form the front of the pelvisWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: beseech Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language