D defs.my
Entry 1 sense Webster, 1913

Buzzer

/(bŭz"ẽr)/ · Buzz·er · IPA /ˈbʌzɚ/
01 n. One who, or that which, buzzes; a whisperer; a talebearer.
  1. 1.
    One who, or that which, buzzes; a whisperer; a talebearer.
    “And wants not buzzers to infect his ear With pestilent speeches of his father's death.” Shak.