Chou Collection, Upper Volume Radical: Mouth (kǒu) 嘶 Kangxi Strokes: 15 Page 207, Entry 14 Guangyun (Guangyun): Pronounced xi. Jiyun (Jiyun) and Zhengyun (Zhengyun): Pronounced xi. Yupian (Yupian): To choke. Also, Yupian (Yupian): The neighing of a horse. Also, Book of Han (Hanshu), Biography of Wang Mang: A loud sound and a neighing. Commentary by Shigu says: The sound of breaking. Also, Record of Rites (Liji), Inner Chapters: The bird has a faded color and a hoarse cry. Commentary: Sha means the same as si. Note: The commentary on the Internal Cook in the Rites of Zhou (Zhouli) uses the character si (to cease/extinguish). The Yunhui (Yunhui) contains the character si but lacks the character si.