Marcionite
Pronunciation : Mar"cion*ite
Part of Speech : n.
Definition : Defn: A follower of Marcion, a Gnostic of the second century, who adopted the Oriental notion of the two conflicting principles, and imagined that between them there existed a third power, neither wholly good nor evil, the Creator of the world and of man, and the God of the Jewish dispensation. Brande & C.
(Eccl. Hist)
Source : Webster's Unabridged Dictionary, 1913