shutoffvalve
nounUK /ˈʃʌtɒfˌvælv/
US /ˈʃʌtɔfˌvælv/
A shutoff valve is a small part that you turn to stop water or gas from flowing.
Dad turned the shutoff valve so the water would stop leaking under the sink.
RELATED WORDS
OTHER MEANINGS
2. A valve used to isolate a section of a pipeline for maintenance.
The crew closed the shutoff valve before repairing the broken pipe.
3. A device that cuts off fuel or fluid flow in an emergency.
The machine has an automatic shutoff valve that closes if pressure drops.
4. A tap or lever that stops the flow of gas to an appliance.
Always find the shutoff valve behind the stove before a gas leak.