/ Thesaurus / O Synonyms of os pisiforme Find synonyms for: Noun1. pisiform, pisiform bone, os pisiforme, carpal bone, carpal, wrist boneusage: a small wrist bone that articulates only with the triquetralWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language