Entry 3 senses · 3 variants Webster, 1913 Mara /mär'-ə/ · Ma·ra · IPA /ˈmɑːɹə/ n. n. n. 01 n. The principal or ruling evil spirit. 1. The principal or ruling evil spirit.(Hind. Myth.) 02 n. A female demon who torments people in sleep by crouching on their chests or stomachs, or by causing terrifying visions. 1. A female demon who torments people in sleep by crouching on their chests or stomachs, or by causing terrifying visions.(Norse Myth.) 03 n. The Patagonian cavy, a hare-like rodent (Dolichotis patagonum or Dolichotis Patagonicus) of the pampas of Argentina. 1. The Patagonian cavy, a hare-like rodent (Dolichotis patagonum or Dolichotis Patagonicus) of the pampas of Argentina.(Zool.)