I.a city of the Hernici, in Latium, situated on the Via Latina, now Frosinone, Liv. 27, 37; Juv. 3, 224.—
II. Deriv.: Frŭsĭnas , ātis, adj., of or belonging to Frusino: “ager,” Liv. 26, 9: “fundus,” in the neighborhood of Frusino, Cic. Att. 11, 4, 1; 11, 13, 4.—In plur. subst.: Frŭsĭnātes , um, m., the inhabitants of Frusino, Liv. 10, 1; Plin. 3, 5, 9, § 64.