Zi Collection, Page Position: Lower Radical: Private (sī) Entry: Lei Kangxi stroke count: 6 Page 164, Entry 13 Pronounced lei (rising tone) Pronounced lei (rising tone) Pronounced lei (rising tone) According to the Explaining Graphs and Analyzing Characters (Shuowen Jiezi), it refers to earth piled up to build a wall; it is a pictographic character. Also, according to the Jade Chapters (Yupian), pronounced can. In the Book of Documents (Shangshu), it is used as the character for can.