Chou Collection, Upper Volume Radical: Mouth (kǒu) Character: Hao Kangxi Stroke Count: 17 Page 211, Entry 36 Pronounced xiao. Same as the variant form (xiao). To call out or shout. As stated in the Sound and Meaning of Characters (Jiyun): To call out or shout. In the Zhuangzi, Chapter 11 (Zhuangzi): How can one know that Zeng and Shi were not the whistling arrows of Jie and Zhi. Note: A whistling arrow is an arrow that makes a sound.