LAT

Lewis Short

nictus (noun M) : 1. nico
* A winking, blinking with the eyes, Caecil. ap. Paul. ex Fest. p. 177 Müll. (but in Ov. M. 3, 460; id. A. A. 1, 138; and id. F. 1, 418, the correct read. is nutu).
Charlton T. Lewis, Charles Short, A Latin Dictionary
memory