This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. An electric signaling device, such as a doorbell, that makes a buzzing sound.

n. An insect that buzzes.

n. A device that makes a buzzing sound.

n. A police badge.

n. One who, or that which, buzzes; a whisperer; a talebearer.

n. One who buzzes; a whisperer; one who is busy in telling tales secretly.

n. A call or alarm making a low buzzing sound, used when it is desirable to avoid loud noise.

n. A polishing-wheel used in cutlery-work.

n. A pickpocket.

n. a signaling device that makes a buzzing sound

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

"Miami, though, held the Hawks to five points, three on free throws, in the rest of the quarter, and when Jones beat the buzzer from the right wing with a jumper, the Heat took a 59-54 lead into the fourth quarter."

signaling device   

whisperer    talebearer   

beep    beeper    siren    gong    doorbell    klaxon    keypad    intercom    annunciation    annunciator