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buzzer

DEFINITIONS OF: buzzer

1

n a signaling device that makes a buzzing sound

Type of:
signaling device
a device used to send signals

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

Synonyms:
bell, doorbell
Types:
night bell
a doorbell to be used at night
Type of:
button, push, push button
an electrical switch operated by pressing
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