Online Google Dictionary

traffic light wordnet sense
Noun
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traffic lights, plural;
  1. A set of automatically operated colored lights, typically red, amber, and green, for controlling traffic at road junctions and crosswalks

  1. a visual signal to control the flow of traffic at intersections
  2. Traffic lights, which may also be known as stoplights, traffic lamps, traffic signals, stop-and-go lights, robots or semaphore , are signaling devices positioned at road intersections, pedestrian crossings and other locations to control competing flows of traffic. ...
  3. a signalling device positioned at a road intersection or pedestrian crossing to indicate when it may be safe to drive, ride or walk, using a universal colour code; the coloured dots on stamp sheet margins printed with offset litho or photogravure methods, used by the printers to check colour ...
  4. (Traffic lighting) Highlighting of data cells based on specified criteria, typically a range of values. Named after the frequent use of red, yellow, and green colors to highlight the status of a displayed value.
  5. (Traffic lights) If you see traffic lights in your dream then consider very carefully what light was showing and what this could mean for your current goals in life.
  6. (Traffic lights) The term used for the dots of colour printed in the sheet margin. The colours correspond to the printed colours in the stamp design.
  7. apparatus that automatically turns red when your car approaches.
  8. A series of red, amber, and green lights placed at the intersection to regulate the flow of traffic