Pris-cĭl'li-an-ist, n.

n. (Eccl. Hist.) A follower of Priscillian, bishop of Avila, in Spain, in the fourth century, who embraced some of the errors of the Gnostics, and, though of unimpeachable morals and a very devout man, was arraigned as a heretic before an ecclesiastical court, condemned, and afterward put to death by order of the emperor, A. D. 385.