Stoplight

noun

Definitions

Noun
  1. 1
    A traffic control signal, traditionally consisting of three lights, colored green, yellow/amber, and red, meaning proceed, prepare to stop, and stop, respectively. Philippines, US
  2. 2
    a visual signal to control the flow of traffic at intersections wordnet
  3. 3
    A light on the rear of a vehicle that is activated when braking; a brake light.

    "The rear lamps are combined with the service stoplights and are contained in stoplight part and blackout marker light assemblies at the rear of the vehicle."

  4. 4
    a red light on the rear of a motor vehicle that signals when the brakes are applied to slow or stop wordnet

Etymology

From stop + light.

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