Hirpīni (Irpīni), ōrum, m.,
I a people of Lower Italy , between Campania , Lucania , and Apulia , Plin. 3, 11, 16, § 99; Liv. 22, 61, 11; 23, 37; 27, 15: in Hirpinis, in the territory of the Hirpini , Cic. Div. 1, 36, 79; Plin. 2, 93, 95, § 208; so, ex Hirpinis, Liv. 22, 13 init. : in Hirpinis, id. 23, 1.—
II Deriv. Hirpīnus ( Irp- ), a, um, adj., of or belonging to the Hirpini : ager, fundus, Cic. Agr. 3, 2, 8: pubes, Sil. 8, 571.