/ Thesaurus / B Synonyms of biauriculate heart Find synonyms for: Noun1. biauriculate heart, heart, pump, tickerusage: a heart (as of mammals and birds and reptiles) having two auriclesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language