joystick

noun

1. Informal. the control stick of an airplane, tank, or other vehicle.
2. Computers. a lever resembling this, used to control movement of a cursor or other graphic element for video games and computer graphics.Compare mouse(def 4), stylus(def 3).
3. any leverlike switch for controlling, manipulating, guiding, or the like.

noun

1. informal the control stick of an aircraft or of any of various machines
2. computing a lever by means of which the display on a screen may be controlled used esp for games, flight simulators, etc