shutoffswitch
nounUK /ˈʃʌtɒf swɪtʃ/
US /ˈʃʌtɔf swɪtʃ/
A shutoff switch is a button or lever you use to stop a machine or stop water or power from flowing.
Dad pulled the shutoff switch to stop the water from spraying everywhere.
RELATED WORDS
OTHER MEANINGS
2. A safety device that cuts power automatically when something goes wrong.
The shutoff switch flipped when the machine got too hot.
3. A valve or lever that stops the flow of water or gas.
Turn the shutoff switch near the pipe before fixing the leak.
4. A feature on a phone or app that blocks a service or connection.
She used the data shutoff switch to save battery.
5. A main control that turns off an entire system at once.
The building's main shutoff switch is in the basement.