/ Thesaurus / F Synonyms of flat bone Find synonyms for: Noun1. flat bone, cut of beefusage: part of the sirloin next to the wedge boneWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language