From Latin cerebellum, derived from cerebrum, from Proto-Italic *kerazrom, from a Proto-Indo-European form *ḱerh₂-s-ro, from the root *ḱerh₂- (“head”). The alternative plural cervella derives from the Latin plural form cerebella. Doublet of the borrowing cerebello; cf. the derived cerebellare.
- (anatomy) brain
- (figuratively) intellect, reason