stopcock
[
stop
-kok]
/ˈstɒpˌkɒk/
noun
1.
cock
1
(def 3).
Origin
1575-85;
stop
+
cock
1
British Dictionary definitions for
stopcock
stopcock
/
ˈstɒpˌkɒk
/
noun
1.
a valve used to control or stop the flow of a fluid in a pipe