Definition of light gun in English:

light gun

noun

Computing
  • A handheld gunlike photosensitive device used chiefly in video games, held to the display screen for passing information to the computer.

    • ‘Your television screen is coated with a stuff called phosphor that lights up when the light guns shine on it.’
    • ‘The new light gun will blow you away with its pixel accuracy and sleek pistol grip.’
    • ‘Sure, you can only play three games with it, but show your support of light guns now and maybe we'll get more games that support it in the future.’
    • ‘When the controllers are connected to the light gun attachment, it works pretty well.’
    • ‘How does the light gun for a video game work?’

Pronunciation:

light gun

/laɪt ɡən/