# ballcock

> English word · Noun · IPA /ˈbɔːlkɒk/

## Definitions
1. A floating sphere, attached to a lever, that controls the level of liquid in a cistern.

## Etymology
From ball + cock.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/ballcock