stopcock

S1T1O1P3C3O1C3K5
US/ˈstɑpkɑk/UK/ˈstɒpkɒk/

noun

A valve, tap or faucet which regulates the flow of liquid or gas through a pipe.

“If you have a burst pipe, turn the water off at the stopcock.”

UncommonScrabble 18

Meanings

nounstopcock (plural stopcocks)

plural stopcocks

  1. A valve, tap or faucet which regulates the flow of liquid or gas through a pipe.
  2. UKA 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.

verbstopcock (third-person singular simple present stopcocks, present participle stopcocking, simple past and past participle stopcocked)

present singular third person stopcocks · participle present stopcocking · participle past stopcocked · past stopcocked

  1. transitiveTo 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.

Synonyms & antonyms

nounfaucet consisting of a rotating device for regulating flow of a liquid

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

Translations

Arabic مِحْبَس
  • مِحْبَس (miḥbas)valve, tap or faucet
Bulgarian спирателен кран
  • спирателен кран (spiratelen kran)valve, tap or faucet
Chinese Mandarin 旋塞
  • 旋塞 (xuánsāi)valve, tap or faucet
Finnish sulkuventtiili, sulkuhana
  • sulkuventtiilivalve, tap or faucet
  • sulkuhanavalve, tap or faucet
  • pääventtiilimain shutoff
French robinet d'arrêt, vanne
  • robinet d'arrêtvalve, tap or faucet
  • vannevalve, tap or faucet
  • robinet d'arrêtmain shutoff
German Absperrhahn
  • Absperrhahnvalve, tap or faucet
Hebrew בֶּרֶז, שַׁסְתוֹם
  • בֶּרֶז (berez)valve, tap or faucet
  • שַׁסְתוֹם (shastom)valve, tap or faucet
Italian rubinetto di arresto
  • rubinetto di arrestovalve, tap or faucet
Japanese 元栓
  • 元栓 (motosen)valve, tap or faucet
Māori katirere, katiwai
  • katirerevalve, tap or faucet
  • katiwaivalve, tap or faucet
Norwegian Bokmål stoppekran
  • stoppekranmain shutoff
Portuguese torneira de segurança
  • torneira de segurançamain shutoff
Spanish llave de cierre
  • llave de cierrevalve, tap or faucet
Thai ลูกบิด
  • ลูกบิด (lûuk-bìt)valve, tap or faucet
Cite this entry
APA

stopcock. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/stopcock

MLA

“stopcock.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/stopcock. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “stopcock,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/stopcock.

Source: stopcock on Wiktionary, CC BY-SA 4.0.