Buzzer - Definition
buzzer
n 1: a push button at an outer door that gives a ringing or
buzzing signal when pushed [syn: doorbell, bell,
buzzer]
2: a signaling device that makes a buzzing sound
n 1: a push button at an outer door that gives a ringing or
buzzing signal when pushed [syn: doorbell, bell,
buzzer]
2: a signaling device that makes a buzzing sound