lightgun

noun
UK /ˈlaɪtɡʌn/
US /ˈlaɪtɡʌn/

A lightgun is a toy or controller you point at the screen to shoot things in a game.

He aimed the lightgun at the screen and shot the targets.


OTHER MEANINGS

2. An early computer input device used to point at and select items on a screen.

The engineer used a lightgun to select points on the CRT display.

3. A device that detects light to measure or track a position.

The telescope's lightgun helped align the sensor.

4. A gun-shaped peripheral for arcade shooting games.

The arcade had a lightgun attached to the cabinet.