Megaera. Megaera is one of the Erinyes, Eumenides or Furies in Greek mythology. Lamprière's Classical Dictionary states According to the most received opinions, they were three in number, Tisiphone, Megaera. daughter of Nox and Acheron, and Alecto. Megaera is the cause of jealousy and envy, and punishes people who commit crimes, especially marital infidelity. Like her sisters Alecto and Tisiphone, as well as the Melian Nymphs, she was born of the blood of Uranus when Cronus castrated him. In modern French, Portuguese, Modern Greek, Italian and Russian, this name denotes a jealous or spiteful woman, Google translates all five as shrew. Minor planet 464 Megaira is named in her honour.