Wei Collection, Upper Volume Radical: Bamboo (zhú) Kangxi Strokes: 12 Page 883, Entry 17 Pronounced hang. Hangtang, a bamboo mat. Regional Customs (Fangyan): Hangtang is called yiyang in the regions of Zhou, Lu, Chu, and Wei, east of the Hangu Pass. West of the Hangu Pass, it is called hangtang. Commentary: Hangtang resembles a coarse bamboo screen, having straight patterns; in the region east of the Yangtze River, it is called a da. Compendium of Materia Medica (Bencao): Hangdang is an alternative name for a bamboo mat. Also pronounced hang. The meaning is the same.