cutoffswitch
nounUK /ˈkʌt.ɒf.swɪtʃ/
US /ˈkʌt.ɔːf.swɪtʃ/
A cutoff switch is a button or lever that stops power or a machine right away.
Grandpa hit the cutoff switch when the machine started to smoke.
OTHER MEANINGS
2. A device that stops fuel or electricity from flowing in an emergency.
The cutoff switch shut off the gas before anyone got hurt.
3. A switch that turns off a battery or engine completely.
He flipped the cutoff switch so the car battery wouldn't drain.
4. A safety control that halts a ride or machine instantly.
The ride operator pressed the cutoff switch when a child stood up.