(informal) An expression of disbelief / (informal) An expression of impatience

(tennis) In a tiebreak, a point won against the server when ahead.

(idiomatic) To act so as to end a repeating pattern of harmful or otherwise negative behavior.

an escape from prison.

An interval, during, or between television or radio programmes, during which advertisements are aired

(Britain) A short break or rest period during the day when a cup of tea or coffee is drunk.

(dated, chiefly attributive) circuit breaker

(electrical) An interrupter in which contact is broken by the movement of an automatically vibrating hammer between a contact piece and an electromagnet, or of a rapidly moving piece mechanically driven.

To start talking in a conversation after a period where nobody speaks. / To state an opinion on a subject that has been taboo for a period of time.

(music) A short drum solo from the 1969 song "Amen, Brother" by The Winstons, later very widely sampled for use in electronic music genres such as breakbeat and drum and bass.