Webster's Revised Unabridged Dictionary · 1913

Mara

Mara , noun

[Sanskrit māra.]

(Hind. Mythology) The principal or ruling evil spirit. — E. Arnold

Mara , noun

[Icelandic mara nightmare, an ogress. See Nightmare.]

(Norse Mythology) A female demon who torments people in sleep by crouching on their chests or stomachs, or by causing terrifying visions.

Mara , noun

(Zoology) The Patagonian cavy, a hare-like rodent (Dolichotis patagonum or Dolichotis Patagonicus) of the pampas of Argentina.