Chărĭsĭus, ĭi, m., = *xari/sios. I.A Greek orator, imitator of Lysias, Cic. Brut. 83, 286; Quint. 10, 1, 70.—II. Flavius Sosipater Charisius, a Latin grammarian in the fourth Christian century.—III.A Roman jurist of the time of Constantine the Great.