Definition of maras:
(n) :
Any caviid rodent of the genus Dolichotis, common in the Patagonian steppes of Argentina.
(n) :
(US) A Latin American criminal gang.
(n) :
(European folklore) A nightmare; a spectre or wraith-like creature in Germanic and particularly Scandinavian folklore; a female demon who torments people in sleep by crouching on their chests or stomachs, or by causing terrifying visions.
(n) :
(Buddhism) A type of god that prevents accomplishment or success.
(n) :
(Buddhism) Any malicious or evil spirit.
(n) :
(Hinduism) The Hindu god of death; opposite of Kama.