n. a floating ball on a hinged arm, whose movement up and down controls the water level in a cistern.
BALLCOCK
Meaning of BALLCOCK in English
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012
n. a floating ball on a hinged arm, whose movement up and down controls the water level in a cistern.
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012