WordReference Random House Unabridged Dictionary of American English © 2019
cer•e•bel•lum  (ser′ə beləm),USA pronunciation n., pl.  -bel•lums, -bel•la (ser′ə beləm),USA pronunciation [Anat., Zool.]
  1. Anatomy, Zoologya 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. See illus. under  brain. 
cer′e•bellar, adj. 
  • Latin: brain, diminutive of cerebrum; see cerebrum; for formation, see castellum
  • 1555–65


Collins Concise English Dictionary © HarperCollins Publishers::

cerebellum /ˌsɛrɪˈbɛləm/ n ( pl -lums, -la / -lə/)
  1. one of the major divisions of the vertebrate brain, situated in man above the medulla oblongata and beneath the cerebrum, whose function is coordination of voluntary movements and maintenance of bodily equilibrium
Etymology: 16th Century: from Latin, diminutive of cerebrum

ˌcereˈbellar adj



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