Si Collection, Upper Volume Radical: Water (shuǐ) Si Kangxi stroke count: 11 Page 627, Entry 07 Pronounced si (rising tone). Explaining the nature of characters (Shuowen), it means the bank of a body of water. Approaching refinement (Erya), it states that si signifies a bank. Book of Odes (Shijing), in the section of Odes of Wang, mentions being at the bank of the Yellow River.