headlight

noun

head·​light ˈhed-ˌlīt How to pronounce headlight (audio)
1
: a light with a reflector and special lens mounted on the front of a vehicle to illuminate the road ahead
also : the beam cast by a headlight
2
: a light worn on the forehead (as of a miner or physician)

Examples of headlight 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.
Significant improvements have been made to the standard equipment, which now includes wireless phone charging, matrix LED headlights, and leather upholstery. New Atlas, 7 July 2025 Visibility priority: Ensure your vehicle is visible to others by using low-beam headlights, which also activate your taillights. Kansas City Star, 7 July 2025 Visibility matters: Enhance your visibility in heavy rain by activating your headlights. Southern California Weather Report, Oc Register, 3 July 2025 Keep your headlights on and turn on emergency flashers to alert other drivers of your position. Bay Area Weather Report, Mercury News, 3 July 2025 See All Example Sentences for headlight

Word History

First Known Use

1845, in the meaning defined at sense 1

Time Traveler
The first known use of headlight was in 1845

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Cite this Entry

“Headlight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/headlight. Accessed 20 Jul. 2025.

Kids Definition

headlight

noun
head·​light ˈhed-ˌlīt How to pronounce headlight (audio)
: a light on the front of a vehicle
Last Updated: - Updated example sentences
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