Si Collection, Upper Volume Radical: Water (shuǐ) Entry: Lei Kangxi strokes: 10 Page 621, Entry 04 Ji Yun (Classic of Rhymes): Pronounced lei (rising tone). Same as the character with the same sound. Leiyang is the name of a county located in Guiyang. In the Book of Han (Hanshu), it is written as Lei. Originally the name of a river. In the Commentary on the Classic of Water (Shuijingzhu): The Lei River originates from Wulongbaiqi Mountain, east of Rucheng County. Also pronounced lei (falling tone). Refers to being soaked or stained by one another.