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.
The brand's emblem, which is incorporated into the translucent monoblock LED taillight beneath the seat and is sculpted by the bike's lights themselves, is the most noticeable of all Fragment elements. — New Atlas, 16 Oct. 2026 With the flash of red taillights flickering outside of the stadium, a sign of fans already heading for the exits, the Dodgers went down in order to end the game. — Maddie Lee, Los Angeles Times, 15 Oct. 2026 Fragment’s memorable double lightning bolt logo also makes an appearance on the body of the bike and on the rear monoblock taillight. — Bryan Hood, Robb Report, 8 Oct. 2026 Police said the vehicle may be a newer model Honda CR-V based on the vehicle's shape and taillights. — Tim Fang, CBS News, 7 Oct. 2026 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
taillike
See all Nearby Words

Cite this Entry

“Taillight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/taillight. Accessed 20 Oct. 2026.

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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
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