Lewis Short
Mancīnus | Mancī-nĭānus, a, um (noun M) :
* A Roman proper name, e. g. C. Hostilius Mancinus, a consul who was delivered up to the Numantines, on the refusal of the Roman people to ratify the dishonorable treaty of peace which he had made with them, Cic. Rep. 3, 18, 28; id. de Or. 1, 40, 181; 1, 56, 238; 2, 32, 137; id. Off. 3, 30, 109; id. Caecin. 34, 98; Paul. ex Fest. p. 131 Müll.—Hence
* Adj., of or belonging to Mancinus: deditio,i. e. the delivering up of Mancinus,Flor. 3, 14, 2.
Charlton T. Lewis, Charles Short, A Latin Dictionary