Tăcĭtus

I. a Roman proper name; esp.,

I. Cornelius Tacitus, the greatest Roman historian of the imperial epoch, born between A. D. 50 and A. D. 60; flourished under Trajan, and was a friend of the younger Pliny, Plin. Ep. 2, 1, 6; 2, 11, 2; Sid. Ep. 4, 14; 4, 22.—

II. M. Claudius Tacitus, Roman emperor A. D. 275, Vop. Tac. 1 sqq.; Eutr. 9, 16; Aur. Vict. Caes. 36.