joystick
/ˈdʒɔɪˌstɪk/noun
1- informal the control column of an aircraft〈非正式〉（飞机的）操纵杆。
1.1
- a lever that can be moved in several directions to control the movement of an image on a computer or similar display screen（用以控制电脑显示屏或类似显示屏上图像活动的）图像操纵杆。