Cerebellum - Definitions from Dictionary.com

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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

cer·e·bel·lum

Audio Help [ser-uh-bel-uh

m] Pronunciation Key

–noun, plural -bel·lums, -bel·la

Audio Help [-bel-uh] Pronunciation Key. Anatomy, Zoology.

a large portion of the brain, serving to coordinate voluntary movements, posture, and balance in humans, being in back of and below the cerebrum and consisting of two lateral lobes and a central lobe.

[Origin: 1555–65; < L: brain, dim. of cerebrum; see cerebrum; for formation, see castellum

]

—Related forms

cer·e·bel·lar, adjective

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
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American Heritage Dictionary - Cite This Source - Share This

cer·e·bel·lum Audio Help (sěr'ə-běl'əm) Pronunciation Key
n. pl. cer·e·bel·lums or cer·e·bel·la (-běl'ə)
The trilobed structure of the brain, lying posterior to the pons and medulla oblongata and inferior to the occipital lobes of the cerebral hemispheres, that is responsible for the regulation and coordination of complex voluntary muscular movement as well as the maintenance of posture and balance.

[Medieval Latin, from Latin, diminutive of cerebrum, brain; see ker-¹ in Indo-European roots.]

cer'e·bel'lar (-běl'ər) adj.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

Online Etymology Dictionary - Cite This Source - Share This
cerebellum

1565, from L. cerebellum, dim. of cerebrum (see cerebral).

WordNet - Cite This Source - Share This

cerebellum
noun
a major division of the vertebrate brain; situated above the medulla oblongata and beneath the cerebrum in humans

The American Heritage Science Dictionary - Cite This Source - Share This

cerebellum Audio Help (sěr'ə-běl'əm) Pronunciation Key
Plural cerebellums or cerebella
The part of the vertebrate brain that is located below the cerebrum at the rear of the skull and that coordinates balance and muscle activity. In mammals, the cerebellum is made up of two connecting hemispheres that consist of a core of white matter surrounded by gray matter.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

American Heritage New Dictionary of Cultural Literacy, Third Edition - Cite This Source - Share This
cerebellum [(ser-uh-bel-uhm)]

The part of the brain that helps control muscle coordination.

[Chapter:] Medicine and Health

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

American Heritage Stedman's Medical Dictionary - Cite This Source - Share This

cerebellum cer·e·bel·lum (sěr'ə-běl'əm)
n. pl. cer·e·bel·lums or cer·e·bel·la (-běl'ə)
The trilobed structure of the brain, lying posterior to the pons and medulla oblongata and inferior to the occipital lobes of the cerebral hemispheres, responsible for the regulation and coordination of complex voluntary muscular movement and the maintenance of posture and balance.

cer'e·bel'lar (-běl'ər) adj.

Merriam-Webster's Medical Dictionary - Cite This Source - Share This
Main Entry: cer·e·bel·lum
Pronunciation: "ser-&-'bel-&m
Function: noun
Inflected Form: plural cerebellums or cer·e·bel·la /-'bel-&/
: a large dorsally projecting part of the brain concerned especially with the coordination of muscles and the maintenanceof bodily equilibrium, situated between the brain stem and the back of the cerebrum and formed in humans of two lateral lobes and a median lobe

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Cerebellum

Cer`e*bel"lum\, n.; pl. E. Cerebellums, L. Cerebella. [L., dim. of cerebrum brain.] (Anat.) The large lobe of the hind brain in front of and above the medulla; the little brain. It controls combined muscular action. See Brain.

On-line Medical Dictionary - Cite This Source - Share This

cerebellum

cerebellum: in CancerWEB's On-line Medical Dictionary

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