Lewis Short
Lātro | Lătrō-nĭānus, a, um (noun M) :
* A Roman surname. So M. Porcius Latro, a famous orator from Spain, a friend of the elder Seneca, Sen. Contr. 1 praef.; Quint. 10, 5, 18; 9, 2, 91; Plin. 20, 14, 57, § 160.—Hence
* Adj., of or belonging to Latro, Latronian: color,Sen. Contr. 1, 7, 16; 1 praef. § 13.
Charlton T. Lewis, Charles Short, A Latin Dictionary