Also found in: Wikipedia.
Hosius(hō`zhēəs), c.255–c.358, Spanish prelate, bishop of Córdoba, leader against ArianismArianism
, Christian heresy founded by Arius in the 4th cent. It was one of the most widespread and divisive heresies in the history of Christianity. As a priest in Alexandria, Arius taught (c.
..... Click the link for more information. . He presided at the Council of Nicaea (325) and is credited by Athanasius with having authored the Nicene formulary. He was exiled to Sirmium in the Arian reaction and was forced to sign a semi-Arian formula. He renounced it before his death.