Lewis Short
(adj.adj.adj.adj.) : intĕr-amnus, a, um, adj.amnis
* That is between two rivers (as an adj., late Lat.): terras interamnas (al. interamnanas) recepimus (viz. Mesopotamia), Lampr. Alex. Sev. 56: Nilus ad insulae faciem spatia amplectitur interamna,Sol. 32, 1.— Hence
* Intĕramna, ae, f. (sc. urbs).
* The name of several Italian cities, Varr. L. L. 5, § 28.—Esp.
* A city of Umbria, surrounded by the river Nar, the birthplace of the historian Tacitus and of the emperor of the same name, now Terni, Cic. Mil. 17, 46; id. Att. 2, 1, 5; Tac. H. 3, 63, 2.
* Derivv.
* Interamnas, ātis, adj., of or belonging to Interamna: ager,Liv. 10, 39, 1. — Subst.: Interam-nātes, ium, m., inhabitants of Interamna, Cic. Att. 4, 15, 5: Interamnates cognomine Nartes,Plin. 3, 14, 19 § 113.—Sing.: C. Causinius Schola, Interamnas,Cic. Mil. 17, 46.
* ‡ Intĕramnānus, a, um, adj., of or belonging to Interamna, Inscr. ap. Don. 161, 3.
* ‡ Intĕramnātus, a, um, the same: CIVITAS,Inscr. Orell. 3773.
Charlton T. Lewis, Charles Short, A Latin Dictionary