noun
1.
a button on a telephone that you press in order to stop yourself from being heard by the person at the other end of the line (while you speak to sb else)
2.
a button that you press in order to switch off a television's sound
noun
1.
a button on a telephone that you press in order to stop yourself from being heard by the person at the other end of the line (while you speak to sb else)
2.
a button that you press in order to switch off a television's sound
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005