Lewis Short
(adjective) : Oea, ae, f.
* A town of Africa, now Tripolis, Mela. 1, 7, 5; Sil. 3, 257; App. Mag. 17. —Hence
* Oeensis, e, , of or belonging to Oea: civitas Oeensis,Plin. 5, 4, 4, § 27; cf. Sil. 3, 257.—Plur. subst.: Oeenses, ĭum, m., the inhabitants of Oea, Plin. 5, 5, 5, § 38; Tac. H. 4, 50.
Charlton T. Lewis, Charles Short, A Latin Dictionary