/ Thesaurus / O Synonyms of oblique vein of the left atrium Find synonyms for: Noun1. oblique vein of the left atrium, vena obliqua atrii sinistri, vein, vena, venous blood vesselusage: a tributary of the coronary sinus; on the posterior wall of the left atriumWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language