traffic light

noun
1.
a set of electrically operated signal lights used to direct or control traffic at intersections.
Also called stoplight, traffic signal, traffic control signal.
Origin
1925-30
Examples from the web for traffic light
  • They do this at traffic light crossings, waiting patiently with human pedestrians for a red light before retrieving their prize.
  • Whenever they came to a traffic light, it turned green, as if by magic.
  • The obsession with so-called traffic light nutrition labelling is a case in point.
  • He watched a traffic light swinging high above the street.
  • traffic light signals flash in empty streets as the sound of heavy gunfire echoes across the city.
  • In the car, that takes on more of a feeling of transience, moving at high speeds or stopped momentarily at a traffic light.
  • At the top of the exit ramp, there is a traffic light.
  • Turn right at the traffic light off of the exit ramp.
  • Take a left at the first traffic light, then take your first right into the parking lot.
  • Go straight through traffic light at the end of the exit.
British Dictionary definitions for traffic light

traffic light

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