1. An instrument or device that measures and displays the temperature of an engine, liquid, or other system
The temp gauge on my car's dashboard shows the engine is overheating.
O medidor de temperatura no painel do meu carro mostra que o motor está superaquecendo.
2. A gauge specifically designed to monitor engine coolant temperature in vehicles
Check the temp gauge before starting a long drive.
Verifique o medidor de temperatura antes de iniciar uma longa viagem.