Photian adjective 1noun 1forms 3 adjective1 •Of or relating to Photios I of Constantinople.[…]; yea, they said to the Photian Bishops, Imperator jubet et vult, the Emperours will, pleasure, and command is, that you should speake in your owne cause. — 1631 noun1 •A follower of the Photian bishops, a sect in the 17th century that questioned the supremacy of the Pope believing that the Christian Church should be governed by 12 supreme rulers.Anathema to the Photians in like manner, who renewing the heresy of Ebion, teach that our Lord Iesus Christ tooke his beginning onely of the Virgin Mary. — 1612 formsPhotians · more Photian · most Photian