Meaning of the word buzzer in English

What does buzzer mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

buzzer

US /ˈbʌz.ɚ/
UK /ˈbʌz.ɚ/

Noun

1.

an electronic device that makes a buzzing sound:

Example:
I pressed the buzzer and after a while someone came to the door.
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