Origin of stopcock
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for stopcock
As long as the stopcock is closed the water cannot rise in the inner tube.An Elementary Study of Chemistry
At the bottom of the drum there is a stopcock to let off the condensed water.
The plug is now inserted in the stopcock, and turned with a gentle pressure.Laboratory Manual of Glass-Blowing
Francis C. Frary
When the outer door was open, I opened the stopcock and shut the door.Space Tug
The pipes are provided with a stopcock and their mouths are closed by a cap.
- a valve used to control or stop the flow of a fluid in a pipe