/ Thesaurus / P Synonyms of posterior cardinal vein Find synonyms for: Noun1. posterior cardinal vein, cardinal veinusage: a major drainage channel from the caudal part of the bodyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: opulent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language