Source : Webster's Revised Unabridged Dictionary (1913)

Cerebellar \Cer`e*bel"lar\, Cerebellous \Cer`e*bel"lous\, a.
   (Anat.)
   Pertaining to the cerebellum.

Source : WordNet®

cerebellar
     adj : relating to or associated with the cerebellum; "cerebellar
           artery"