Lewis Short
(adjective) : vincĭbĭlis, e, vinco. *
* Pass., that can be easily gained: causa,Ter. Phorm. 1, 4, 48.
* Act., conquering, victorious: clangor, i. e. of brazen implements in an eclipse of the moon, Poët. ap. Anth. Lat. Burm. 2, p. 329.
Charlton T. Lewis, Charles Short, A Latin Dictionary