共きょう鳴めい箱ばこ

noun

resonance box; sound box

A hollow chamber that amplifies sound through resonance, as in a musical instrument or speaker enclosure.

• バイオリンの共きょう鳴めい箱ばこが豊ゆたかな音おとを生うみ出だす。

  The violin's resonance box produces a rich sound.