1. An instrument used to measure and display the temperature of a system, substance, or environment
The temperature gauge on the car's dashboard shows that the engine is running hot.
O medidor de temperatura no painel do carro mostra que o motor está funcionando quente.
2. A device in a vehicle that indicates engine coolant temperature
Check the temperature gauge before starting a long drive.
Verifique o medidor de temperatura antes de iniciar uma longa viagem.