buzzer
Pronunciation:
/ˈbʌzə//ˈbʌzəɹ/noun
Definitions
One who, or that which, buzzes; an insect that buzzes.
A device that makes a buzzing sound.
Example: If you think you know the answer to the question, hit the buzzer as fast as you can.
A police badge.
A run scored from an overthrow.