Lewis Short
Agȳrĭum | Agyrĭnen-ses, ium | Agyrī-ni, orum (noun N) :
* A very old town in Sicily, not far from Enna, the birthplace of Diodorus Siculus, now S. Filippo d'Argiro, Cic. Verr. 2, 3, 28.—Hence, , , Cic. Verr. 2, 3, 28; or , , inhabitants of Agyrium, Plin. 3, 8, 14, § 91.
Charlton T. Lewis, Charles Short, A Latin Dictionary