Definition of buzz noun from the Oxford Advanced American Dictionary

     

    buzz

     noun
    noun
    NAmE//bʌz//
     
     
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  1. 1 [countable, usually singular] (also buzzing [uncountable, singular]) a continuous sound like the one that a bee, a buzzer, or other electronic device makes the buzz of bees hunting nectar The buzz of the intercom interrupted our conversation. hums and buzzes from the amplifier
  2. 2[singular] the sound of people talking, especially in an excited way The buzz of conversation suddenly stopped when she came into the room.
  3. 3 [singular] (informal) a strong feeling of pleasure, excitement, or achievement a buzz of excitement/expectation She gets a buzz out of her work. Flying gives me a real buzz. You can sense the creative buzz in the city.
  4. 4 the buzz [singular] (informal) news that people tell each other that may or may not be true synonym rumor The buzz is that Matt is in LA. Have you heard anything?
  5. Idioms
    give somebody a buzz(informal)
     
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    to telephone someone I'll give you a buzz on Monday, OK?
See the Oxford Advanced Learner's Dictionary entry: buzz