I.one of the twelve confederate towns of Etruria, the mod. Perugia, Liv. 9, 37, 12; Suet. Aug. 14; Vell. 2, 74, 3; Flor. 4, 5, 3.—Hence,
II. Pĕrŭsī-nus , a, um, adj., Perusian: “Perusina cohors,” Liv. 23, 17: “contentio,” i. e. the siege of Perusia by Octavianus, Plin. 7, 45, 46. § 148; the famine produced in the town by this siege (cf. Flor. 4, 5, 3) is referred to in Perusina fames, Luc. 1, 41; Aus. Ep. 22, 42: “sepulcra,” Prop. 1, 22, 3.—Subst.: Pĕ-rŭsīni , ōrum, m., the Perusians, Liv. 10, 30 sq.—Pĕrŭsīnum , i, n., a countryseat in the Perusian territory, Plin. Ep. 1, 4, 1.