soundpost /ˈsaʊndˌpəʊst/

• 1. 

  N a small post, usually of pine, on guitars, violins, etc, that joins the front surface to the back, helps to support the bridge, and allows the whole body of the instrument to vibrate 吉他、小提琴等的小杆; 连接前后面以协助制梁，能使乐器全身振动 [music]