Si Collection, Upper Volume Radical: Water (shuǐ) Entry: 湱 Kangxi strokes: 13 Page 638, Entry 18 Collected Rhymes (Jiyun), Rhyme Meetings (Yunhui), and Orthodox Rhymes (Zhengyun) state the pronunciation is huo (level tone). It refers to the sound of waves crashing against each other. Guo Pu, Rhapsody on the Yangtze River (Jiangfu): The sound of crashing waves. Also, Tang Rhymes (Tangyun) states the pronunciation is huai (level tone). It refers to the Huohuo river, which originates in the West Stream.