Traffic Light (noun) Definition, Meaning & Examples

noun
  1. a set of electrically operated signal lights used to direct or control traffic at intersections.
noun
  1. one of a set of coloured lights placed at crossroads, junctions, etc, to control the flow of traffic. A red light indicates that traffic must stop and a green light that it may go: usually an amber warning light is added between the red and the green
Traffic Light (noun) Definition, Meaning & Examples

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