Lewis Short
(adjective) : Rĕāte, is, n. (of the same form in the nom., acc., and abl.)
* A very ancient town of the Sabines, now Rieti, Plin. 3, 12, 17, § 109; Varr. R. R. 3, 1, 6; Liv. 25, 7; 26, 11; 23; Plin. 3, 12, 17, § 109; Sil. 8, 417.—Hence
* Rĕātīnus, a, um, , of or belonging to Reate, Reatine: ager,Plin. 3, 12, 17, § 107: praefectura,Cic. Cat. 3, 2, 5; id. N. D. 2, 2, 6; Val. Max. 1, 8, 1: villa,id. 6, 8, 6: asini (which were highly valued),Varr. R. R. 2, 1, 14: montes,id. ib. 2, 2, 9.—In plur. subst.: Rĕātīnĭ, ōrum, m., the inhabitants of Reate, Cic. Scaur. 12, 27; id. Att. 4, 15, 5; 9, 8, 1; Liv. 28, 45 al. — Sing.: Quod ego sum Reatinus,Varr. R. R. 3, 2, 3.
Charlton T. Lewis, Charles Short, A Latin Dictionary