#soundboard__sounding_board  (music) resonator consisting of a thin board whose vibrations reinforce the sound of the instrument
  supertype:  cavity_resonator__resonator__resonating_chamber  a hollow chamber whose dimensions allow the resonant oscillation of electromagnetic or acoustic waves
  part of:  forte-piano  stringed_instrument
  part:  sound_hole__soundhole  a hole in a soundboard (as of a violin) designed to resonate with the tones

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