taillight

noun

tail·​light ˈtāl-ˌlīt How to pronounce taillight (audio)
: a usually red warning light mounted at the rear of a vehicle

called also taillamp

Examples of taillight 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.
Make your vehicle visible to others both ahead of you and behind you by using your low-beam headlights since this means your taillights will also be on. — Ca Weather Bot, Sacramento Bee, 18 Mar. 2025 Visibility priority: Ensure your vehicle is visible to others by using low-beam headlights, which automatically activate your taillights. — Nc Weather Bot, Charlotte Observer, 15 Mar. 2025 Visibility priority: Ensure your vehicle is visible to others by using low-beam headlights, which also activate your taillights. — Southern California Weather Report, Orange County Register, 27 Feb. 2025 Standout standard features on the $33,600 LT base trim include an 11-inch digital instrument cluster, a 17.7-inch infotainment touch screen, 19-inch wheels, a front LED light bar, flush door handles, and LED headlights and taillights. — Doug Newcomb, PCMAG, 6 Feb. 2025 See All Example Sentences for taillight

Word History

First Known Use

1844, in the meaning defined above

Time Traveler
The first known use of taillight was in 1844

Rhymes for taillight

See All Rhymes for taillight

Browse Nearby Words

taillie
taillight
tail louse
See all Nearby Words

Cite this Entry

“Taillight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/taillight. Accessed 28 Mar. 2025.

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Kids Definition

taillight

noun
tail·​light ˈtā(ə)l-ˌlīt How to pronounce taillight (audio)
: a red warning light mounted at the rear of a vehicle

More from Merriam-Webster on taillight

Nglish: Translation of taillight for Spanish Speakers

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