colliculus

col lic u lus |kəˈlikyələs kəˈlɪkjələs | ▶noun ( pl. colliculi |-ˌlī, -ˌlē | ) Anatomy a small protuberance, esp. one of two pairs in the roof of the midbrain, involved respectively in vision and hearing. DERIVATIVES col lic u lar |-lər |adjective ORIGIN mid 19th cent.: from Latin, diminutive of collis ‘hill. ’

colliculus

colliculus |kəˈlɪkjʊləs | ▶noun ( pl. colliculi |-lʌɪ, -liː | ) Anatomy any of a number of small swellings in the roof of the midbrain, involved in vision and hearing. DERIVATIVES collicular adjective ORIGIN mid 19th cent.: from Latin, diminutive of collis ‘hill ’.