Si Collection, Upper Volume Radical: Water (shuǐ) Tuan Kangxi strokes: 13 Page 636, Entry 25 Pronounced tuan. According to the Analytical Dictionary of Characters (Shuowen Jiezi), it refers to rapid currents. In the History of the Former Han (Qian Hanshu), Records of Rivers and Canals, it states: water is rushing and fierce, making it difficult to travel across flat land. The commentary states: a rapid current is called tuan. Also, pronounced zhuan. It is the name of a river located in Li County. In the Classic of Mountains and Seas (Shanhaijing), it says: the head of Jing Mountain is called the Yiwan Mountain, from which the Tuan River originates. Also, pronounced tuan (falling tone). It also refers to rapid currents.