traffic light

noun

: a visual signal (such as a system of colored lights) for controlling traffic

Examples of traffic light in a Sentence

Take a left at the traffic light.
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.
By processing data from multiple sources, including traffic lights, vehicles and weather conditions, quantum computers could optimize traffic flow in real time. Yuval Boger, Forbes, 26 Nov. 2024 Investigators noted discrepancies in her original story, including implausible traffic light patterns and the absence of witnesses. Matt Robison, Newsweek, 20 Nov. 2024 Many of the traffic lights were down around Orlando, and despite the fact that officials lowered many of the lakes by several feet, standing water still flooded many streets downtown. Kristen Arnett, Vogue, 17 Oct. 2024 Its database has been expanded to include more roads, including some with traffic lights and intersections. Mark Phelan, Detroit Free Press, 17 Sep. 2024 See all Example Sentences for traffic light 

Word History

First Known Use

1912, in the meaning defined above

Time Traveler
The first known use of traffic light was in 1912

Dictionary Entries Near traffic light

Cite this Entry

“Traffic light.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/traffic%20light. Accessed 30 Nov. 2024.

Kids Definition

traffic light

noun
: a visual signal (as a system of green, yellow, and red lights) for controlling traffic

More from Merriam-Webster on traffic light

Last Updated: - Updated example sentences
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