Pănĭōnĭus

a, um, adj.
I. of or belonging to all Ionia, sacred to all Ionia, Panionian: regio omnibus Ionibus sacra et ideo Panionia appellata, Plin. 5, 29, 31, § 113: Apollo, Vitr. 4, 1.—
(b). Subst.: Pănĭōnĭum, ii. n., i. q. regio Panionia: ibi est Panionium, sacra regio, et ob id eo nomine appellata, quod eam communiter Iones colunt, Mel. 1, 17, 2.
Lewis & Short
A Latin Dictionary, 1879
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