roarer Meaning, Definition & Usage

  1. noun someone who communicates vocally in a very loud voice
    bellower; bawler; screamer; yeller; shouter; screecher.

WordNet

Roar"er noun
Definitions
  1. One who, or that which, roars. Specifically: (a) A riotous fellow; a roaring boy.
    A lady to turn roarer, and break glasses. Massinger.
    (b) (Far.) A horse subject to roaring. See Roaring, 2.
  2. (Zoöl.) The barn owl. Prov.Eng.

Webster 1913