Ballcock

//ˈbɔːlkɒk// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A floating sphere, attached to a lever, that controls the level of liquid in a cistern.
  2. 2
    floating ball that controls level in a water tank wordnet

Synonyms

All synonyms
ball cock

Etymology

From ball + cock.

Related phrases

ball valve

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.