/ Thesaurus / R Synonyms of renal vein Find synonyms for: Noun1. renal vein, vena renalis, vein, vena, venous blood vesselusage: veins that accompany renal arteries; open into the vena cava at the level of the 2nd lumbar vertebraWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language