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cerebellum

The cerebellum is defined as the part of the brain in control of muscle movement. About a third of the brain’s total mass is made up of the cerebellum.

(noun)

An example of the cerebellum is the area of the brain below the cerebrum.

See cerebellum in Webster's New World College Dictionary

noun pl. cerebellums or cerebella

the section of the brain behind and below the cerebrum: it consists of two lateral lobes and a middle lobe, and functions as the coordinating center for muscular movement

Origin: L, dim. of cerebrum, brain < IE *eres- < base *er-, top of the head: see horn

Related Forms:

cerebellar adjective

See cerebellum in American Heritage Dictionary 4

noun pl. cer·e·bel·lums or cer·e·bel·la (-bĕlˈə)

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.

Origin:

Origin: Medieval Latin

Origin: , from Latin

Origin: , diminutive of cerebrum, brain; see ker-¹ in Indo-European roots

Related Forms: