A device that changes electrical energy into sound When a current flows through it, it vibrates
An electronic signaling system that allows players to buzz, locking out other players and signaling to the moderator who buzzed Also known as a lockout system, buzzer set, Judge, or Quiz-A-Matic
A buzzer is an electrical device that is used to make a buzzing sound for example, to attract someone's attention. a small thing, usually shaped like a button, that buzzes when you press it
(Spor) In basketball, a buzzer beater is a shot taken just before the game clock of a period expires, when the buzzer sounds and the backboard lights up. The term is normally reserved for baskets that win or tie the game at the last moment (more appropriately called as a "walk-off buzzer beater"). If a player releases the ball "beating" the buzzer, so that it sounds while the ball is in mid-air, the shot still counts if it goes in. Often, a buzzer beating shot will be released from long range (even from beyond half court), making for a spectacular play when it connects