Cornu | Webster's Dictionary of the English Language

cornu
cornū, ūs (so Caes. B. C. 3, 68 Dint.; Luc. 7, 217; Plin. 28, 11, 46, § 163 et saep.; Curt. 4, 12, 1...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
cornu
cornū ūs (acc.cornum, T., O.), n (once m, C.) 1 CAR-, a horn, antler : (animantes) cornibus armata...

An Elementary Latin Dictionary
NOTI-CORNU
NOTI-CORNU (Νότου κέρας, Hanno, ap. Geogr. Graec. Min. p. 13, ed. Müller; Ptol. 4.7.6), a promontory...

Dictionary of Greek and Roman Geography
Cornu Ammonis
·- A fossil shell, curved like a ram's horn; an obsolete name for an <<Ammonite>>. ...

Webster's Dictionary of the English Language