traffic light
US /ˈtræf.ɪk ˌlaɪt/
UK /ˈtræf.ɪk ˌlaɪt/
1.
a set of automatically operated colored lights, typically red, yellow, and green, for controlling the flow of traffic at road junctions or pedestrian crossings
:
•
The car stopped at the traffic light.
•
Turn left at the next traffic light.