/ Thesaurus / A Synonyms of aortic orifice Find synonyms for: Noun1. aortic orifice, orifice, opening, portausage: the orifice from the lower left chamber of the heart to the aortaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language