(adj.adj.) : Arpīnum, i, n.
* A town in Latium, the birthplace of Cicero and Marius, now Arpino, Cic. Att. 2, 8; cf. Mann. Ital. I. 676.— Hence
* Derivv.:
* Arpīnas, ātis (nom. Arpinatis, Cato ap. Prisc. p. 629 P.; cf. Ardeatis), adj., of or pertaining to Arpinum: fundus,Cic. Agr. 3, 2, 8: aquae,id. Att. 1, 16: iter,id. ib. 16, 13.—Subst.: Ar-pīnātes, ium, m., the inhabitants of Arpinum, Cic. Off. 1, 7, 21; so id. Att. 4, 7; 15, 15; so also Inscr. Orell. 571 (cf. Cic. Fam. 13, 11); Plin. 3, 5, 9, § 63: Arpinas (per antonomasiam) for Cicero, Symm. Carm. Ep. 1, 1; and for Marius, the countryman of Cicero (cf. Arpinum), Sid. Carm. 9, 259.
* Arpīnus, a, um, adj., of Arpinum: chartae,i. e. Cicero's,Mart. 10, 19.

s. TLL