: a usually red warning light mounted at the rear of a vehicle
called also taillamp
Examples of taillight in a Sentence
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Forensic scientists showed the jury tiny red bits of plastic stuck in the fabric of O’Keefe’s sweatshirt, and pieces of Read’s taillight near where the body was found.
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Ross O'Keefe, The Washington Examiner, 18 June 2025
One demonstrator can be seen bumping into the car’s left taillight while another uses an object to smash the light.
—Ruben Vives, Los Angeles Times, 17 June 2025
But at each speed — 10 mph, 17 mph, 15 mph, 29 mph and 24 mph — the damage to the test taillights was less than what was seen on Read’s taillight, Wolfe said.
—Dakin Andone, CNN Money, 16 June 2025
Forensic scientists testified about small pieces of red plastic found near O’Keefe’s body, the nature of his injuries and Read’s fractured taillight.
—Karissa Waddick, USA Today, 16 June 2025
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Ross O'Keefe, The Washington Examiner, 18 June 2025
One demonstrator can be seen bumping into the car’s left taillight while another uses an object to smash the light.
—Ruben Vives, Los Angeles Times, 17 June 2025
But at each speed — 10 mph, 17 mph, 15 mph, 29 mph and 24 mph — the damage to the test taillights was less than what was seen on Read’s taillight, Wolfe said.
—Dakin Andone, CNN Money, 16 June 2025
Forensic scientists testified about small pieces of red plastic found near O’Keefe’s body, the nature of his injuries and Read’s fractured taillight.
—Karissa Waddick, USA Today, 16 June 2025
See All Example Sentences for taillight
Cite this Entry
“Taillight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/taillight. Accessed 30 Jun. 2025.
Copy CitationKids Definition
taillight
noun
tail·light
ˈtā(ə)l-ˌlīt 
: a red warning light mounted at the rear of a vehicle
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