LSJ
τὸ ἀνάγειν τὴν Κόρην (sc. Persephone), Hsch. ; — hence Κοράγια, τά, of a ritual procession at Mantinea, IG 5(2).265.16 (i BC); Κοράγιον, τό, sanctuary where this rite took place, ib. 266.41; Κοραγοί, οἱ, celebrants of the rite, ib. 265.27.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)