響きょう板ばんきょうばんMeanings1nounsoundboard (of a piano)Technical term for the wooden board inside a piano that amplifies sound.ピアノの響きょう板ばんは、弦げんの振しん動どうを音おとに変かえる重じゅう要ような部ぶ品ひんです。The piano's soundboard is an important part that converts string vibrations into sound.