"beep" in the noun sense
1. beep, bleep
a short high tone produced as a signal or warning
"beep" in the verb sense
1. honk, blare, beep, claxon, toot
make a loud noise
"The horns of the taxis blared"
call, summon, or alert with a beeper
Source: WordNet® (An amazing lexical database of English)
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