Zi Collection, Upper Volume Radical: Bow (gōng) Page 150, Entry 05 According to the broad rhyme dictionary (Guangyun) and the compilation of rhymes dictionary (Jiyun), the pronunciation is bei (falling tone). The broad rhyme dictionary (Guangyun) explains it as using sinew to reinforce a bow body. The compilation of categorized characters (Leipian) explains it as using silk thread to decorate a bow.