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.ər/

Noun

an electrical device that makes a buzzing sound and is used for signaling

Example:
The doorbell buzzer rang loudly.
Press the buzzer to enter the building.