Lewis & Short

2. Bălā̆tro, ōnis, m. nom. prop., cognomen of Servilius, Hor. S. 2, 8, 21; 2, 8, 33; 2, 8, 40; 2, 8, 64; 2, 8, 83; cf.: in modum rustici Balatronis, Hier. Ep. 153; cf. scurra.