Shen Collection, Lower Volume Radical: Insect (chóng) Di Kangxi strokes: 17 Page 1094, Entry 52 Pronounced di (falling tone). Erya, Explanation of Heaven: The di-dong is a rainbow. The Book of Odes (Shijing) writes it as di. Also, in the Yangzi Taixuan Jing: When the great di is small, the state is empty. Annotation: When the state is large but virtue is small, the people are empty. Also, pronounced dai (falling tone). The name of an insect. One source says it is a snake. Sometimes also written in a variant form (chi).