/ Thesaurus / I Synonyms of innominate vein Find synonyms for: Noun1. brachiocephalic vein, innominate vein, vena brachiocephalica, vein, vena, venous blood vesselusage: veins formed by the union of the internal jugular and subclavian veinsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language