Serpentinian|-ˈɪnɪən| [f. L. Serpentīnus(see serpentine a. andn.) + -ian.] = Ophite2. 1758A. Maclaine tr.Mosheim's Eccl.Hist. i. Cent. ii. ii. v. §19 The Ophites, or Serpentinians, a ridiculous sort of heretics, who had for their leader a man called Euphrates.