signal light

• Luz de um veículo que pisca para indicar a intenção do motorista de virar ou mudar de faixa; também chamada de pisca-pisca ou seta. Em outros contextos, pode ser qualquer luz usada para sinalizar, como um sinal luminoso.

A light on a vehicle that flashes to indicate the driver's intention to turn or change lanes, also known as a turn signal or indicator.

1. Traffic signalA2formal

   A light used to control traffic flow, typically red, yellow, and green.

   Semáforo

   • The signal light turned red, so we stopped the car.
   • Wait for the signal light to change before crossing the street.
   • The signal light at the intersection was malfunctioning.

2. Vehicle indicatorA2informal

   A light on a vehicle used to indicate a turn or lane change.

   Seta

   • He forgot to use his signal light before turning left.
   • Check your signal light before merging into traffic.
   • The car's signal light was blinking rapidly.