neocerebellum

[nē′ō-sĕr′ə-bĕləm]
n.
  1. The large lateral portion of the cerebellar hemisphere receiving its dominant input from afferent nerves originating from all parts of the cerebral cortex.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.