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traffic light

a set of electrically operated signal lights used to direct or control traffic at intersections.
Also called stoplight, traffic signal, traffic control signal.
Origin of traffic light
First recorded in 1925-30 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for traffic light
Contemporary Examples
Historical Examples
  • It was like the change of a traffic light from green to red.

    The Shadow Passes Roy J. Snell
  • Every car, as we sailed by, stalled and every traffic light we passed either turned three colors or blinked out completely.

    Cue for Quiet Thomas L. Sherred
  • I even knocked out every red neon sign within two blocks of a traffic light.

    Cue for Quiet Thomas L. Sherred
  • I could just pick out the dogleg at Connors, and imagined I could see the traffic light at Chalmers.

    Cue for Quiet Thomas L. Sherred
  • The car whirled around a corner and raced through a traffic light just as it turned amber.

    Signal in the Dark Mildred A. Wirt
  • Let one traffic light fail and vehicles are backed up for several blocks.

British Dictionary definitions for traffic light

traffic light

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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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