Stopcock
WordNet

noun


(1)   Faucet consisting of a rotating device for regulating flow of a liquid
WiktionaryText

Noun



  1. A valve, tap or faucet which regulates the flow of liquid or gas through a pipe.
  2. A main shutoff for water to a home from a municipal supply. Usually these valves exist in pairs, on outside the property boundary and one inside the property boundary.
 
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