ballcock
1
9.1
A floating valve that controls the water level in a tank or cistern
- noun
- /ˈbɔːlˌkɒk/
- Specialized
:
flotador
- To fix the issue, I had to adjust the ballcock in the water tank.
Examples
-
A malfunctioning ballcock can cause the water level to overflow in the cistern.
-
The chambers filled automatically with a ballcock assembly filling up the pool at the bottom, just like in a toilet tank.
Blog text (8) -
It's called a ballcock.
-
Ballcocks and such.
Fiction book (1990) -
Rusty ballcock, rusty flush valve, rusty refill mechanism, rusty bowl siphon.
-
The plumber replaced the old ballcock to ensure the toilet tank filled correctly.
Synonyms
1
7.0
A valve with a floating ball that controls the water level in a toilet tank
is the same device but written as a single word rather than two
Surface Forms
Morphology
Etymology
The word ballcock is made from ball and cock, where ball is the floating ball and cock is an old word for a 'valve' or 'tap', as in stopcock. So a ballcock is literally a floating ball that opens and closes a valve to control the water level in a tank.