Si Collection, Upper Volume Radical: Water (shuǐ) Entry: Wei Kangxi Strokes: 13 Page 636, Entry 23 Pronounced wei Pronounced wei Shuowen Jiezi (Explanation of Simple and Compound Characters): To flow in a circle. Also, the name of a river. History of the Former Han (Qianhan Shu), Records of Canals and Waterways: In the Guanzhong region, the Lingzhi and Chengguo Wei canals were built. Commentary: The water originates from Wei Valley.