Bible Dictionaries
Mara

Webster's Dictionary

(1):

(n.) The principal or ruling evil spirit.

(2):

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

(3):

(n.) The Patagonian cavy (Dolichotis Patagonicus).

Bibliography Information
Webster, Noah. Entry for 'Mara'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​m/mara.html. 1828.