or jew's harp (jo͞oz) n. A small musical instrument consisting of a lyre-shaped metal frame that is held between the teeth and a projecting steel tongue that is plucked to produce a soft twanging sound. [Origin unknown.] American Heritage® Dictionary of the English Language, Fifth Ed...
Jew’s harp, musical instrument consisting of a thin wood or metal tongue fixed at one end to the base of a two-pronged frame. The player holds the frame to his mouth, which forms a resonance cavity, and activates the instrument’s tongue by either pluck