buzzer
NounWordNet 3.0
Webster's Dictionary (GCIDE)
Buzzer \Buzz"er\ (b[u^]z"[~e]r), n. One who, or that which, buzzes; a whisperer; a talebearer. [1913 Webster]
And wants not buzzers to infect his ear With pestilent speeches of his father's death. --Shak. [1913 Webster]