Definition of "corpus callosum" []

• The arched bridge of nervous tissue that connects the two cerebral hemispheres, allowing communication between the right and left sides of the brain. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Our prefrontal cortexes where we organize thoughts and can think contextually are larger, and the bridges that connect the right and left hemispheres of our brains, the corpus callosum and the anterior commissure, are both significantly larger too."