[1] : The Collaborative International Dictionary of English v.0.48

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
see also:
clapper 

[2] : The Collaborative International Dictionary of English v.0.48

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
see also:
bell clapper rail rallus scepitans 

[3] : The Collaborative International Dictionary of English v.0.48

clapper \clap"per\, n. f. clapier.
   a rabbit burrow. obs.
   1913 webster

[4] : WordNet (r) 2.0

clapper
     n 1: someone who applauds syn: applauder
     2: a mobile mass of muscular tissue covered with mucous
        membrane and located in the oral cavity syn: tongue, lingua,
         glossa
     3: metal striker that hangs inside a bell and makes a sound by
        hitting the side syn: tongue
see also:
applauder tongue lingua glossa 

[5] : Moby Thesaurus II by Grady Ward, 1.0

42 moby thesaurus words for "clapper":
   klaxon, bell, boiler factory, boiler room, bull-roarer, catcall,
   cherry bomb, chimes, church bell, clack, clacker, cowbell, cracker,
   cricket, dinner bell, dinner gong, doorbell, fire bell,
   firecracker, gong, gong bell, hand bell, horn, jingle bell,
   noisemaker, passing bell, rattle, rattlebox, sacring bell,
   sheepbell, siren, sleigh bell, snapper, steam whistle,
   telephone bell, ticktack, tintinnabulum, tongue, triangle, whistle,
   whizgig, whizzer

Clapper >> C Words
Clapper, definition of term: Clapper
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