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.
Central to Brennan's case is that O'Keefe had plastic fragments that matched Read's taillight embedded in his clothes. Michael Ruiz, FOXNews.com, 13 June 2025 The defense has argued that the taillight was actually damaged when Read was backing out of O’Keefe’s house and hit his car. Michael Casey, Chicago Tribune, 13 June 2025 An accident reconstruction expert called by Brennan testified that dozens of abrasions found on O’Keefe’s right arm were consistent with injuries caused by the broken right taillight on Read’s SUV. Tim Stelloh, NBC news, 11 June 2025 Ensure your vehicle is visible to others by using low-beam headlights, which also activate your taillights. Nc Weather Bot, Charlotte Observer, 6 June 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

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Cite this Entry

“Taillight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/taillight. Accessed 17 Jun. 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

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