a Roman surname. So esp. L. Appuleius Saturninus, a tribune of the people A.U.C. 654; who , with C. Servilius Glaucia, was pronounced guilty of treason and put to death , Cic.Rab. Perd. 6, 18; id.Brut. 62, 224; id.Cat. 1, 2, 4; id.Mil. 5, 14; Suet.Aug. 27; id.Calig. 38; Mart. 4, 11, 2.