cerinthian

from The Century Dictionary.

• noun One of a sect of early heretics, followers of Cerinthus, a Jew believed to have been born before the crucifixion, and one of the first heresiarchs in the church.

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

• noun (Eccl. Hist.) One of an ancient religious sect, so called from Cerinthus, a Jew, who attempted to unite the doctrines of Christ with the opinions of the Jews and Gnostics.