light pen

noun

: a pen-shaped device for direct interaction with a computer through a cathode-ray tube display

writing with a light pen

First Known Use

1957, in the meaning defined above

Time Traveler

The first known use of light pen was in 1957

See more words from the same year

Style

“Light pen.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/light%20pen. Accessed 2 Jun. 2023.

Copy Citation

light pen

noun

: a pen-shaped device that senses light signals and is used to work with information on a computer display screen

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