n., pl., -bel·lums, or -bel·la (-bĕl'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.]
cerebellar cer'e·bel'lar (-bĕl'ər) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
