/ Thesaurus / L Synonyms of latissimus dorsi Find synonyms for: Noun1. latissimus dorsi, lat, skeletal muscle, striated muscleusage: a broad flat muscle on either side of the backWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language