/ Dictionary / Index C corpus callosum: Meaning and Definition of Find definitions for: cor•pus cal•lo•sum Pronunciation: (kôr'pus ku-lō'sum), [key] — pl. cor•po•ra cal•lo•sa a great band of deeply situated transverse white fibers uniting the two halves of the cerebrum in humans and other mammals. See illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. corpus Corpus Christi Related Content Daily Word Quiz: topography Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language