'Clapper' definitions:

Definition of 'clapper'

From: WordNet
noun
Someone who applauds [syn: clapper, applauder]
noun
A mobile mass of muscular tissue covered with mucous membrane and located in the oral cavity [syn: tongue, lingua, glossa, clapper]
noun
Metal striker that hangs inside a bell and makes a sound by hitting the side [syn: clapper, tongue]

Definition of 'Clapper'

From: GCIDE
  • Clapper \Clap"per\, n. [F. clapier.] A rabbit burrow. [Obs.] [1913 Webster]

Definition of 'Clapper'

From: GCIDE
  • Clapper \Clap"per\, n.
  • 1. A person who claps. [1913 Webster]
  • 2. That which strikes or claps, as the tongue of a bell, or the piece of wood that strikes a mill hopper, etc. See Illust. of Bell. [1913 Webster]
  • Clapper rail (Zool.), an Americam species of rail ({Rallus scepitans}). [1913 Webster]

Definition of 'clapper'

From: GCIDE
  • Knacker \Knack"er\, n.
  • 1. One who makes knickknacks, toys, etc. --Mortimer. [1913 Webster]
  • 2. One of two or more pieces of bone or wood held loosely between the fingers, and struck together by moving the hand; -- called also clapper. --Halliwell. [1913 Webster]