traffic light

US /ˈtræf.ɪk ˌlaɪt/
UK /ˈtræf.ɪk ˌlaɪt/
"traffic light" picture
1.

semáforo, sinal de trânsito

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.
O carro parou no semáforo.
Turn left at the next traffic light.
Vire à esquerda no próximo semáforo.