Buzzer definition

Buzzer

Topics Buzzer Definition

WordNet

(1) A signaling device that makes a buzzing sound

(2) A push button at an outer door that gives a ringing or buzzing signal when pushed

WiktionaryText

A device that makes a buzzing sound.
- If you think you know the answer to the question, hit the buzzer as fast as you can.
Anything that buzzes, such as an insect.
A police badge.