Octāvĭus, i, m.; Octāvĭa, ae, f., the name of a Roman gens, Suet. Aug. 1 sq.; cf. Drumann, History of Rome, vol. iv. p. 218 sq. 1. C. Octavius, the father of theemperor Augustus, Cic. Att. 2, 1, 12; id. Phil. 3, 6, 15.—2. Cn. Octavius, the first consul of this gens, Cic. Off. 1, 39, 138.—3. M. Octavius Caecina, a tribune of the people, Cic. N. D. 1, 38, 106.—4. Rarely of the emperor Augustus, Juv. 8, 242.—5. In the fem., Octavia, the name of the two sisters of the emperor Augustus, Suet. Aug. 4; 63; Tac. A. 4, 44.—6. Octavia was also the name of the daughter of the emperor Claudius and Messalina, Suet. Claud. 27; id. Ner. 7.—7. Octaviae Porticus, two halls in Rome, Vell. 1, 11; 2, 1; Suet. Aug. 29; Paul. ex Fest. p. 178 Müll.—Hence, II. Octāvĭānus, a, um, adj., of or belonging to an Octavius, Octavian: Octaviano bello, i. e.
in the war of the consul Cn. Octavius with Cinna
, Cic. Div. 1, 2, 4: milites,
of M. Octavius
who fought for Pompey
, Caes. B. C. 3, 9.—Esp., subst.: Octāvĭānus, i, m., a surname of the emperor Augustus, who was adopted out of the gens Octavia into the gens Julia, Cic. Fam. 12, 25, 4; Tac. A. 13, 6; Aur. Vict. Vir. Ill. 79, 1; id. Caes. 1, 2.