/ Thesaurus / E Synonyms of external iliac vein Find synonyms for: Noun1. external iliac vein, iliac vein, vena iliacausage: a continuation of the femoral vein; unites with the internal iliac vein to form the common iliac veinWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: kiln Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language