n. 1. One who, or that which, roars. Specifically: (a) A riotous fellow; a roaring boy. [ 1913 Webster ]
A lady to turn roarer, and break glasses. Massinger. [ 1913 Webster ]
(b) (Far.) A horse subject to roaring. See Roaring, 2. [ 1913 Webster ]
2. (Zool.) The barn owl. [ Prov. Eng. ] [ 1913 Webster ]