paulian

from The Century Dictionary.

• noun A member of a Unitarian body founded in the third century by Paul of Samosata in Syria. He denied that the Holy Spirit and the Logos were persons.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Eccl. Hist.) A follower of Paul of Samosata, a bishop of Antioch in the third century, who was deposed for denying the divinity of Christ.