/ Thesaurus / T Synonyms of trigonum cerebrale Find synonyms for: Noun1. fornix, trigonum cerebrale, fiber bundle, fibre bundle, fascicle, fasciculususage: an arched bundle of white fibers at the base of the brain by which the hippocampus of each hemisphere projects to the contralateral hippocampus and to the thalamus and mamillary bodiesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language