Si Collection, Upper Volume Radical: Water (shuǐ) Hui Kangxi Strokes: 16 Page 648, Entry 37 Broad Rhymes (Guangyun) and Collected Rhymes (Jiyun): Pronounced hui (falling tone). The name of a river. Explanation of Graphs (Shuowen): A river that emerges in Lujiang and flows into the Huai River.