Chou Collection, Upper Volume Radical: Mouth (kǒu) Cuju (噈) Kangxi stroke count: 15 Page 208, Entry 18 Broad Rhymes (Guangyun) and Collected Rhymes (Jiyun): pronounced cu (falling tone). Jade Chapters (Yupian): The chirping of birds. Broad Rhymes (Guangyun): Wuju, meaning mouths approaching one another. Also, according to Collected Rhymes (Jiyun): pronounced za (level tone). Originally written as a variant form. Also: pronounced cu (level tone). Also: pronounced se (entering tone). The meaning is the same. Also: pronounced he (entering tone). Meaning soft.