Pronounced shi Geng (falling tone) in Guangyun, and chu Geng (falling tone) in Jiyun, pronounced the same as cang (falling tone). Yu Pian explains it as the horns of an ox standing long and straight. Lei Pian explains it as the appearance of long ox horns. Also pronounced he Geng (falling tone) in Jiyun, pronounced the same as heng (rising tone). The meaning is the same. Sometimes also written as cu in Jiyun. The common form is written as .