CEREBELLUM

[cer.e.bel.lum] n, pl -bellums or -bel.la [ML, fr. L, dim. of cerebrum] (1543): a large dorsally projecting part of the brain concerned esp. with the coordination of muscles and the maintenance of bodily equilibrium, situated between the brain stem and the back of the cerebrum, and formed in humans of two lateral lobes and a median lobe--see brain illustration -- cer.e.bel.lar adj