Lewis & Short

Ărīcĭa, ae, f.,

  1. I. an ancient town of Latium, in the neighborhood of Alba Longa, upon the Appian Way, now La Riccia; acc. to Verg. A. 7, 762 (v. II. infra), named from the wife of its founder, Hippolytus. Near it was a grove consecrated to Diana, in which at a very early age human victims were sacrificed; hence, immitis, Sil. 4, 369 (cf. Nemus and Nemorensis), Plin. 19, 6, 33, § 110; Mart. 13, 19; Hor. S. 1, 5, 1; Sol. 2, p. 13; cf. Mann. Ital. I. 633; Müll. Roms Camp. 2, 147-189.
    Hence,
    1. B. Ărīcīnus, a, um, adj., pertaining to Aricia, Arician: regio, Mart. 10, 68: vallis, Ov. M. 15, 488: nemus, Flor. 1, 11, 8.
      Subst.: Ărīcīni, ōrum, m., the inhabitanls of Aricia, Liv. 2, 14.
  2. II. Personified, a nymph, the wife of Hippolytus and mother of Virbius, Verg. A. 7, 762.