Zi Collection, Upper Volume, Page 11, Entry 03 Radical: Mouth (kǒu) Pronounced cōng (falling tone) From "Guangyun" (Guangyun), the pronunciation is sè jiàng qiè (falling tone). From "Zhengyun" (Zhengyun), the pronunciation is sè xiáng qiè (falling tone). "Guangyun" explains it as a wooden pole used for punting a boat.