to make a high electronic sound:
The timer on the cooker started to bleep.
2 [transitive] British EnglishTCT
to let someone know, through their bleeper, that you want them to telephone you [= beep American English]
3 [transitive] also bleep outTCBAMT
to prevent an offensive word being heard on television or the radio by making a high electronic sound:
All the swear words had been bleeped out.