Definition of: planchette

(plan·chet′, -shet′) noun
1. A small board, usually resting on a vertical pencil and two casters; believed by some to spell out messages, as on a ouija board, when the fingers are rested lightly upon it, independently of the volition of the persons touching it: used in the investigation of psychic phenomena. [<F, dim. of planche a plank]