Meaning
An automated valve mechanism, attached to a large floating sphere, that controls the level of liquid in a cistern.
Etymology
Origin: Old English
Etymology tree Proto-Indo-European *bʰel-der. Proto-Germanic *balluz Old English *beall Middle English bal English ball Proto-Germanic *keukô Proto-Germanic *kukkaz Proto-West Germanic *kokk Old English cocc Middle English cok English cock English ballcock From ball + cock. First attested in 1734.
Synonyms & Antonyms
Synonyms
balltapfloat valveball valve
NYT Puzzle Appearances
Accepted in 4 recorded puzzles: