Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

stopcock

play
noun stop·cock \ˈstäp-ˌkäk\

Simple Definition of stopcock

  • : a device used for controlling or stopping the flow of a liquid or gas through a pipe

Full Definition of stopcock

  1. :  a cock for stopping or regulating flow (as through a pipe)

Examples of stopcock

  1. <a mechanical engineer who designs industrial valves and stopcocks>



1584

First Known Use of stopcock

1584


Learn More about stopcock


Seen and Heard

What made you want to look up stopcock? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 5, 2016

bread traditionally eaten on Shabbat

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

pince-nez spindrift kittly-benders duvet
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ