Lewis & Short

2. Vacca, ae, f.

  1. I. A town of Byzacene in Africa, Auct. B. Afr. 74.
  2. II. A town of Numidia, called also Vaga, now Beja, Sall. J. 29, 4; 47, 1; 68, 3; Sil. 3, 259.
    Hence, Vaccensis or Vagensis, e, adj., of or pertaining to Vacca: Vagense oppidum, i. e. Vaga, Plin. 5, 4, 4, § 30.
    Vaccenses (Vagen-), ĭum, m., the inhabitants of Vacca, Sall. J. 66, 2.