cerebellum
noun /ˌserəˈbeləm/
/ˌserəˈbeləm/
(plural cerebellums, cerebella
(anatomy) /ˌserəˈbelə/
/ˌserəˈbelə/
)- the part of the brain at the back of the head that controls the activity of the musclesWord Originmid 16th cent.: from Latin, diminutive of cerebrum ‘brain’.