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, 26 Feb. 2025 Ensure your vehicle is visible to others by using low-beam headlights, which also activate your taillights. Bay Area Weather Report, The Mercury News, 25 Feb. 2025 As for the rear, the taillight is stacked in strips with a linear shape. New Atlas, 14 Feb. 2025 After Ole’s death, his alibi is confirmed, and a new clue emerges: Officer Anton notices that the taillight of Carl Willner’s restaurant delivery car is broken, matching the description of a vehicle seen near the crime scene. Isadora Wandermurem, TIME, 7 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

Browse Nearby Words

Cite this Entry

“Taillight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/taillight. Accessed 6 Mar. 2025.

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

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