/ ˈbɔːlkɒk; NAmE -kɑːk/ noun
a device with a floating ball that controls the amount of water going into a container, for example the water tank of a toilet
/ ˈbɔːlkɒk; NAmE -kɑːk/ noun
a device with a floating ball that controls the amount of water going into a container, for example the water tank of a toilet
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005