light trap

noun

1
: a device that allows movement of a sliding part or passage of a person (as into a darkroom) but excludes light
2
: a device for collecting or destroying insects that consists of a bright light in association with a trapping or killing medium

Examples of light trap in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Alternatively, insect light traps or sticky traps can help capture and remove beetles. Marie Woodward, Hartford Courant, 9 Nov. 2024 Ohio State University Extension has a simple design for light traps, which may be handy for those who could never hurt a bug. Jalen Williams, Detroit Free Press, 31 Oct. 2024

Word History

First Known Use

1882, in the meaning defined at sense 1

Time Traveler
The first known use of light trap was in 1882

Dictionary Entries Near light trap

Cite this Entry

“Light trap.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/light%20trap. Accessed 23 Jan. 2025.

Kids Definition

light trap

noun
: a device for collecting or destroying insects by attracting them to a light and trapping or killing them

More from Merriam-Webster on light trap

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