Chou Collection, Middle Volume Radical: Earth (tǔ) Entry: Bang Kangxi stroke count: 13 Page 236, Entry 07 Sound of the Collection of Rhymes (Jiyun): Pronounced bang (falling tone). Refers to the edge of a field. A regional term from the Wu and Chu regions. A flat mound of earth is called a bang, and the border area between irrigation ditches and ridges is also called a bang.