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stopcock

Pronunciation: /ˈstɑpkɑk/

The English word “stopcock” has 3 meanings listed here.

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, one outside the property boundary and one inside the property boundary.

verb

  1. To control the gas pressure in (an oil well) by keeping the well closed in and the gas confined except during set intervals when the oil is flowed or pumped.

Etymology

From stop + cock.

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.