Lewis : incestus

incestus,² incestus, ūs, m. 1. incestus, II., unchastity, incest (mostly Ciceron.): quaestio de incestu, Cic. Mil. 22, 59; id. Brut. 32, 122; 124; id. N. D. 3, 30, 74 Klotz; Liv. 4, 44 Weissenb.; Val. Max. 6, 3, 7.