/ Thesaurus / C Synonyms of callosotomy Find synonyms for: Noun1. callosotomy, callosectomy, psychosurgeryusage: severing the corpus callosum so that communication between the cerebral hemispheres is interrupted (in cases of severe intractable epilepsy)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language