[ suh-ree-bruhm, ser-uh- ]
/ səˈri brəm, ˈsɛr ə- /
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noun, plural ce·re·brums, ce·re·bra [suh-ree-bruh, ser-uh-]. /səˈri brə, ˈsɛr ə-/. Anatomy, Zoology.
the anterior and largest part of the brain, consisting of two halves or hemispheres and serving to control voluntary movements and coordinate mental actions.
the forebrain and the midbrain.


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Origin of cerebrum

1605–15; <Latin: brain; akin to cranium, horn
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use cerebrum in a sentence

British Dictionary definitions for cerebrum

/ (ˈsɛrɪbrəm) /

noun plural -brums or -bra (-brə)
the anterior portion of the brain of vertebrates, consisting of two lateral hemispheres joined by a thick band of fibres: the dominant part of the brain in man, associated with intellectual function, emotion, and personalitySee telencephalon
the brain considered as a whole
the main neural bundle or ganglion of certain invertebrates

Derived forms of cerebrum

cerebroid, adjectivecerebric (ˈsɛrɪbrɪk), adjective

Word Origin for cerebrum

C17: from Latin: the brain
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for cerebrum

[ sĕrə-brəm, sə-rēbrəm ]

Plural cerebrums cerebra
The largest part of the vertebrate brain, filling most of the skull and consisting of two cerebral hemispheres divided by a deep groove and joined by the corpus callosum, a transverse band of nerve fibers. The cerebrum processes complex sensory information and controls voluntary muscle activity. In humans it is the center of thought, learning, memory, language, and emotion.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Cultural definitions for cerebrum

[ (ser-uh-bruhm, suh-ree-bruhm) ]

The largest part of the brain, consisting of two lobes, the right and left cerebral hemispheres. The cerebrum controls thought and voluntary movement. (See cerebral cortex, left brain, and right brain.)

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.