stopcock

[ stop-kok ]

/ ˈstɒpˌkɒk /

cock¹(def 3).

Origin of stopcock

First recorded in 1575–85; stop + cock¹

stop-motion, stop-off, stop-out, stop-work, stopbank, stopcock, stope, stoper, stopes, stopgap, stoping

When the outer door was open, I opened the stopcock and shut the door.

Space Tug |Murray Leinster
To light the top burners, strike the match, turn on the stopcock, and touch the match to the gas when it is flowing well.

Foods and Household Management |Helen Kinne
The plug is now inserted in the stopcock, and turned with a gentle pressure.

Laboratory Manual of Glass-Blowing |Francis C. Frary
A long india-rubber tube is attached to the bottom of the jar, ending in a metallic tube, and furnished with a stopcock.

The Physical Life of Woman: |Dr. George H Napheys

The outlet from this chamber is by a brass bent tube having a stopcock attached thereto.

Visual Signaling |Signal Corps United States Army

stopcock

/ (ˈstɒpˌkɒk) /

a valve used to control or stop the flow of a fluid in a pipe