+7 = 11 

ˇ

  1. 囚禁說文解字·》:。」

  1. 樂器古代敲擊樂器木製形狀老虎上裝金屬停止音樂進行書經··孔穎達·正義。」

percussion instrument shaped as a hollow wooden tiger, with serrated strip across the back, across which one runs a drumstick
Yu (Musikinstrument der chinesischen Antike)​ (S, Mus)​