1. Noun

   plectrum (for a shamisen, biwa, etc.); pick

   Usually written using kana aloneesp. 撥

2. drumstick (for taiko); mallet (for a gong); beater

   Usually written using kana aloneesp. 桴, 枹

Also written 桴【ばち】bachi、枹【ばち】bachi