Breadcrumb Home > Thesaurus > I Synonyms of ischium Find synonyms for: Noun 1. ischium, ischial bone, os ischii, bone, os usage: one of the three sections of the hipbone; situated below the ilium WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of ischium (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: panache Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language