A valve which is linked by a hinged arm to a ball floating on top of a liquid and opens or closes a tap automatically according to the height of the ball, especially in the cistern of a flushing toilet.

]]>https://definedictionarymeaning.com/topic/100213/ballcockRSS for NodeThu, 04 Jun 2026 03:36:07 GMTSat, 06 Apr 2019 02:30:16 GMT60a device in a water tank that controls the level of water, consisting of a floating ball attached to a rod

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