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.
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 The wide haunches give way to a smooth rear end with slim taillights, carbon fiber details framing the bottom, and a sizable rear windshield with a roof spoiler. — New Atlas, 26 Sep. 2026 As an automobile driver, I am required to have a license, functioning headlights and taillights, and insurance. — Chicago Tribune, 19 Sep. 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 14 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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