/ Thesaurus / O Synonyms of os trapezoideum Find synonyms for: Noun1. trapezoid, trapezoid bone, os trapezoideum, carpal bone, carpal, wrist boneusage: the wrist bone between the trapezium and the capitate bonesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language