Prester John(redirected from Prestor John)
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A legendary figure in Europe during the Middle Ages, who was thought to rule over a large Christian kingdom in Ethiopia or Central Asia.
[Middle English prestre, priest, from Old French, from Late Latin presbyter; see presbyter.]
(European Myth & Legend) a legendary Christian priest and king, believed in the Middle Ages to have ruled in the Far East, but identified in the 14th century with the king of Ethiopia
[C14 Prestre Johan, from Medieval Latin presbyter Iohannes Priest John]