What is the meaning of Cerebellum?

Part of the hindbrain in vertebrates. In humans it lies between the brainstem and the back of the cerebrum and is formed of two lateral lobes and a median lobe. It plays an important role in sensory perception, motor output, balance and posture.

diminutive of cerebrum:

  1. a little brain
  2. the seat of senses, intellect

a little brain

the seat of senses, intellect

Source: wiktionary.org