supratrochlear vein sup·rat·roch·learvein uncommon noun 1. drains the front of the scalp; unites with the supraorbital vein to form the angular vein Synonymssupratrochlear veinvena supratrochlearis Related words Broader terms vein WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.