I. A comrade, companion in war, fellow-soldier (in good prose; most freq. in the histt., esp. of the post-Aug. per.), * Cic. Deiot. 10, 28; Caesar ap. Suet. Caes. 67; August. ap. Suet. Aug. 25; C. Cassius ap. Quint. 6, 3, 90; Liv. 3, 50, 5 and 7; Vell. 2, 59, 4; Suet. Claud. 10; id. Galb. 20; id. Vit. 11; Flor. 2, 20, 2. —
II. Transf., in gen., a comrade: “carissimus sibi,” Petr. 80: “di,” Flor. 1, 11, 4; and for a prostitute, Elag. ap. Lampr. Elag. 26.