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See also: stop cock
stopcock (plural stopcocks)
- A valve, tap or faucet which regulates the flow of liquid or gas through a pipe.
- (Britain) A main shutoff for water to a home from a municipal supply. Usually these valves exist in pairs, one outside the property boundary and one inside the property boundary.
- If you have a burst pipe turn the water off at the stopcock.
valve, tap or faucet