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Meaning of buzzer

buzz•er

Pronunciation: (buz'ur), [key]
— n.
  1. a person or thing that buzzes.
  2. a signaling apparatus similar to an electric bell but without hammer or gong, producing a buzzing sound by the vibration of an armature.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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