Meaning of corpus callosum

cor•pus cal•lo•sum

Pronunciation: (kôr'pus ku-lō'sum), [key]
— pl. cor•po•ra cal•lo•sa
  1. 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.