/ Thesaurus / B Synonyms of bivalved Find synonyms for: Adjective1. bivalve (vs. univalve), bivalved, lamellibranch, pelecypod, pelecypodoususage: used of mollusks having two shells (as clams etc.)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language