buzzer

[ buhz-er ]
/ ˈbʌz ər /

noun

a person or thing that buzzes.
a signaling apparatus similar to an electric bell but without hammer or gong, producing a buzzing sound by the vibration of an armature.

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Origin of buzzer

First recorded in 1600–10; buzz1 + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for buzzer

British Dictionary definitions for buzzer

buzzer
/ (ˈbʌzə) /

noun

a person or thing that buzzes
a device that produces a buzzing sound, esp one similar to an electric bell without a hammer or gong
NZ a wood planing machine
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012