/ Thesaurus / S Synonyms of superior labial vein Find synonyms for: Noun1. superior labial vein, vena labialis superior, labial vein, vena labialisusage: a tributary of the facial vein that drains the upper lipWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language