Gamepadnoun
(video games) A type of game controller held in both hands and controlled with the thumbs.
Gamepad
A gamepad, joystick, controller, is a type of game controller held in two hands, where the fingers (especially thumbs) are used to provide input. They are typically the main input device for video game consoles.
Joypadnoun
(video games) A type of game controller held in the hand, where the digits (especially thumbs) are used to provide input.