Lewis & Short

Eupŏlis, ĭdis, m., = Εὔπολις, a celebrated comic poet in Athens, contemporary with Aristophanes, Hor. S. 1, 4, 1; Vell. 1, 16; Quint. 1, 10, 18; 10, 1, 66; 12, 10, 65 al.; acc. Eupolin, Hor. S. 2, 3, 12: Eupolidem, Pers. 1, 124; Cic. Brut. 9, 15.