buzzer

باللغة العربية: طَنَّان

1. One who, or that which, buzzes; an insect that buzzes.
2. A device that makes a buzzing sound. · If you think you know the answer to the question, hit the buzzer as fast as you can.
3. A police badge. (US, slang)
4. A run scored from an overthrow. (slang)

الجمع buzzers