Si Collection, Upper Volume Radical: Water (shuǐ) Shu Kangxi stroke count: 18 Page 655, Entry 24 Jade Chapters (Yupian): Pronounced shu. Collected Rhymes (Jiyun): Pronounced shu. Also pronounced shu. Meaning: A ditch. Furthermore, Commentary on the Classic of Waterways (Shuijing Zhu): The Bo River flows east past Yangcheng County, scattering into marshes and islets; the water of the islets overflows for several miles.