Si Collection, Upper Volume Radical: Water (shuǐ) Entry: Hu Kangxi Stroke Count: 20 Page 660, Entry 24 Collected Rhymes (Jiyun): Pronounced hu (falling tone). The sound of water. Also the name of a river. Expanded Record of the World (Guangyuji): The Hu River, located south of the city of Jinhua Prefecture, flows west to the boundary of Lanxi. Collected Rhymes (Jiyun): Sometimes written in a variant form.