arteria iliaca ar·te·riai·liaca uncommon noun 1. one of the large arteries supplying blood to the pelvis and legs Synonymsiliac arteryarteria iliaca Related words Broader terms artery Narrower terms common iliac arteryexternal iliac arteryinternal iliac artery Parts ilium WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.