shut-offcock
nounUK /ˈʃʌtˌɒfkɒk/
US /ˈʃʌtˌɔfkɑk/
A shut-offcock is a small tap that stops water or gas from flowing.
Dad turned the shut-offcock to stop the water leaking under the sink.
RELATED WORDS
OTHER MEANINGS
2. A valve used to isolate a section of pipe for repairs.
The plumber closed the shut-offcock before fixing the burst pipe.
3. A small tap controlling gas flow to an appliance.
Always turn the shut-offcock off before checking the gas stove.
4. Any device that halts the movement of fluid in a system.
The shut-offcock on the radiator let them drain it safely.