cilo, ōnis, m.,
having a prominent forehead pressed in upon the sides , Fest. p. 43, 10; cf. Charis. 1, p. 78 P.; a dim. of it, cilunculus, Arn. 3, 14.
Cīlo, ōnis, m., a Roman cognomen , Cic. Fam. 4, 12, 2. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.