cornu
noun
cor·nu ˈkȯr-(ˌ)nü 
-(ˌ)nyü
plural cornua ˈkȯr-nü-ə
-nyü-
: a horn-shaped anatomical part (as of the uterus)
cornual
ˈkȯr-nü-əl
adjective -nyü-
Word History
Etymology
borrowed from New Latin cornū, going back to Latin, "horn" — more at horn
First Known Use
1691, in the meaning defined above
Medical Definition
cornu
noun
cor·nu ˈkȯr-(ˌ)n(y)ü
plural cornua -n(y)ə-wə
: a horn-shaped anatomical structure (as either of the lateral divisions of a bicornuate uterus, one of the lateral processes of the hyoid bone, or one of the gray columns of the spinal cord)