·noun ·pl The umbones of a bivalve shell.
II. Nates ·noun ·pl The Buttocks.
III. Nates ·noun ·pl The two anterior of the four lobes on the dorsal side of the midbrain of most mammals; the anterior optic lobes.
nătes, ĭum, v. natis. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
natēs ium, see natis. ...
An Elementary Latin Dictionary