Lewis Short
cŏlumbus (noun M) : κόλυμβος; cf.: calvus, color
* A male dove or cock - pigeon (and transf., of male persons), Varr. L. L. 9, § 56; Plaut. Rud. 3, 6, 49; Cat. 29, 9; 68, 125; Hor. Ep. 1, 10, 5
* A dove in gen. (very rare), Col. 8, 8, 1; Plin. 10, 9, 11, § 25.
Charlton T. Lewis, Charles Short, A Latin Dictionary