Chou Collection, Upper Volume Radical: Mouth (kǒu) Character: ba Kangxi stroke count: 5 Page 172, Entry 08 Collected Rhymes (Jiyun): Pronounced pa. Refers to a sound. Five Tone Collected Rhymes (Wuyin Jiyun): Pronounced bo. Refers to the mouth opening. Correct Meaning Dictionary (Zhengzitong): Read as ba. Labia (trumpet), an instrument used in the military. Commonly referred to as a haotong (horn). See New Book (Xinshu), Order Chapter, by Qi Jiguang.