Cerebellum

·noun The large lobe of the hind brain in front of and above the medulla; the little brain. It controls combined muscular action. ·see Brain.

cerebellum
cĕrĕbellum, i, n. dim. [cerebrum], a small brain , Cels. 2, 18; Plin. 29, 5, 32, § 100; 30, 13, ...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.