soundboard

from WordNet (r) 3.0 (2006)

soundboard
    n 1: (music) resonator consisting of a thin board whose
         vibrations reinforce the sound of the instrument [syn:
         {sounding board}, {soundboard}]

from The Collaborative International Dictionary of English v.0.48

Sound-board \Sound"-board`\, n.
   A sounding-board.
   [1913 Webster]

         To many a row of pipes the sound-board breathes.
                                                  --Milton.
   [1913 Webster]

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