Lewis Short
nătis | nă-tes, ium (noun F) : more freq. in the plur., , , akin to Gr. νῶτον, back; cf. νόσφι
* The rump, the buttocks.
* Sing.: diffissā nate,Hor. S. 1, 8, 46; Auct. Priap. 77, 11; 83, 23: quod ejus natis fulmine icta erat, Paul. ex Fest. s. v. pullus, p. 244 and 245 Müll.
* Plur.: nates pervellit,Plaut. Pers. 5, 2, 66: soleā pulsare nates,Juv. 6, 611; Mart. 14, 18, 2; with clunes,id. 3, 53, 3.—Of the rump of animals: nates turturum donare alicui,Mart. 3, 82, 21.
Charlton T. Lewis, Charles Short, A Latin Dictionary