Lewis Short
(adjective) : Ŏpūs, ūntis, f., = Ὀποῦς
* A town of Locris, in Greece, now Kardhenitza, Liv. 28, 7; Ov. P. 1, 3, 73.—Hence
* Ŏpūn-tĭus, a, um, , Opuntian: sinus,Mel. 2, 3, 6; Plin. 4, 7, 12, § 27: Philodamus,of Opus,Cic. Verr. 2, 2, 44, § 109.—In plur.: Ŏpūntĭi, ōrum, m., the inhabitants of Opus, the Opuntians, Liv. 28, 6 fin.
Charlton T. Lewis, Charles Short, A Latin Dictionary