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 cockfloat valve

Antonyms

All antonyms

drain valveoutlet valve

Etymology

From ball + cock.