Definitions for ouijaˈwi dʒə or, often, -dʒi
Random House Webster's College Dictionary
Oui•jaˈwi dʒə or, often, -dʒi
Trademark.a board game consisting of a planchette that is placed on a larger board marked with words, letters, etc., that can spell out messages presumably from telepathic or spiritualistic sources. Also called Oui′ja board`.
Ouija, Ouija board(noun)
a board with the alphabet on it; used with a planchette to spell out supernatural messages
A board, having letters of the alphabet and the words yes and no; used with a planchette during a seance to "communicate" with spirits.
Origin: Proprietary name, from oui + ja.