/ Thesaurus / D Synonyms of diploic vein Find synonyms for: Noun1. diploic vein, vena diploica, vein, vena, venous blood vesselusage: one of the veins serving the spongy part of the cranial bonesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language