D defs.my
Entry 3 senses · 2 variants Webster, 1913

Clapper

/klăp'-ẽr/ · Clap·per · IPA /ˈklæpɚ/
01 n. A person who claps.
  1. 1.
    A person who claps.
  2. 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. See: Bell
Phrases & compounds
Clapper rail — an Americam species of rail (Rallus scepitans).
02 n. A rabbit burrow.
  1. 1.
    A rabbit burrow.[Obs.]