/ Dictionary / Index C callosal: Meaning and Definition of Find definitions for: cal•lo•sal Pronunciation: (ka-lō'sul), [key] — adj. of or pertaining to the corpus callosum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. call option callose Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language