buzzer

Definition of Buzzer in English :

1. bell, buzzer, doorbell

a push button at an outer door that gives a ringing or buzzing signal when pushed

2. buzzer

a signaling device that makes a buzzing sound

WordNet Lexical Database for English. Princeton University. 2010.

Buzzer

noun

1.

a person or thing that buzzes

2.

a device that produces a buzzing sound, esp one similar to an electric bell without a hammer or gong

3. New Zealand

a wood planing machine

noun

an electrical device that makes a buzzing sound as a signal

n.

An electric signaling device, such as a doorbell, that makes a buzzing sound.