A board with the alphabet on it; used with a planchette to spell out supernatural messages WordNet 3.0 & Open English WordNet

The Ouija, also known as a spirit board, talking board, or witch board, is a flat board marked with the letters of the Latin alphabet, the numbers 0–9, the words "yes", "no", and occasionally "hello" and "goodbye", along with various symbols and graphics. Wikipedia

Flat board purportedly used to communicate with the spirits of the deceased. Wikipedia Disambiguation

Flat wooden board with numbers and letters Wikidata

A board, having letters of the alphabet and the words yes and no; used with a planchette during a seance to "communicate" with spirits. Wiktionary

A board with letters of the alphabet and "yes" and "no". Wiktionary (translation)