Nīcaea (Nīcēa, Plin. Ep. 10, 48), ae, f., = *ni/kaia. I.The name of several cities. A.A city in Bithynia, on Lake Ascanius, formerly called Antigonia, the mod. Isnik or Nice, Cic. Planc. 34, 84; id. Att. 14, 1, 2; Cat. 46, 5; Plin. Ep. 10, 49, 1; Plin. 5, 22, 43, 148.—B.A city in Locris, near Thermopylæ, Liv. 28, 5, 18; 32, 32; 35.—C.An Indian city on the Hydaspes, founded by Alexander the Great, Curt. 9, 3, 23; Just. 12, 8, 8.—D.A city in Liguria, a colony of Marseilles, Plin. 3, 5, 7, 47.—II. Derivv. A. Nīcaeensis (Nīcensis, Plin. Ep. 10, 48), e, adj., Nicene, Plin. 7, 2, 2, 12.— As subst. plur., the inhabitants of Nicæa, in Bithynia, Cic. Fam. 13, 61 fin.—B. Nī-caenus, a, um, adj., Nicene: Nicaena fides, the confession of faith established at the Council of Nice, Cod. Th. 1, 1, 2.