ball cock

1. 1.

   floating ball that controls level in a water tank

   Synonymsballcock

   Broaderregulator

Questions about ball cock

What does ball cock mean?

ball cock means "floating ball that controls level in a water tank".

What is another word for ball cock?

Close synonyms include ballcock. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is ball cock a common word?

ball cock is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.