traffic light

noun
|Updated on: 11 Aug 2018

Definition of traffic light

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

Examples of traffic light in a Sentence

  1. Take a left at the traffic light.

Recent Examples of traffic light from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'traffic light.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of traffic light

1912

in the meaning defined above

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TRAFFIC LIGHT Defined for English Language Learners

traffic light

Definition of traffic light for English Language Learners

  • : an electric lamp that usually has a red, a green, and a yellow light and that is used to control traffic


TRAFFIC LIGHT Defined for Kids

traffic light

noun

Definition of traffic light for Students

: a visual signal (as a set of colored lights) for controlling the flow of vehicles


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