Irenaeus

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Related to Irenæus: Saint Irenaeus, Saint Irenæus
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Noun1.Irenaeus - Greek theologian who was bishop of Lyons and an antiheretical writer; a saint and Doctor of the Church (circa 130-200)
Church of Rome, Roman Catholic Church, Roman Church, Western Church, Roman Catholic - the Christian Church based in the Vatican and presided over by a pope and an episcopal hierarchy