Lewis & Short

Augusta, ae, f. (dat. Augustal) [augustus].

  1. I. Under the emperors, a litle of the mother, wife, daughter, and sister of the emperor; like our Imperial Majesty, Imperial Highness, Tac A. 1, 8; 15, 23; 4, 16; 12, 26; id. H. 2, 89, Snet. Calig. 10; 15; 23; id. Claud. 3; id. Ner. 35, id. Dom. 3; cf. Plin. Pan. 84, 6 Schwarz.
  2. II. The name of several towns, among which the most distinguished were,
    1. A. Augusta Taurinorum, now Turin, Plin. 3, 17, 21, § 123; Tac. H. 2, 66; cf. Mann. Ital. I. p. 191.
    2. B. Augusta Praetoria, in Upper Italy, now (by a corruption of the word Augusta) Aosta, Plin. 3, 5, 6, § 43; 3, 17, 21, § 123; cf. Mann. Ital. I. p. 186 sq.
    3. C. In Treveris Augusta, now Treves, Mel. 3, 2, 4 (colonia Treverorum, Tac. H. 4, 72).
    4. D. Augusta Vindelicorum, now Augsburg, Itin. Anton.; cf. Tac. G. 41, n. 4 Rupert.
    5. E. Augusta Emerida on the Anas, in Lusitania, now Merida, Plin. 4, 21, 35, § 117; cf. Mann. Hispan. p. 331.