Wei Collection, Middle Volume
Radical: Silk (mì)
Geng
Kangxi strokes: 13
Page 925, Entry 03
Ancient characters.
Guangyun (Guangyun), Jiyun (Jiyun), Yunhui (Yunhui), Zhengyun (Zhengyun). Pronounced geng (falling tone).
Shuowen Jiezi (Shuowen Jiezi): A rope for drawing water from a well.
Yangzi Fangyan (Fangyan): A yue (rope), from the passes eastward, in the regions of Zhou, Luo, Han, and Wei, is called a geng.
Zhuangzi (Zhuangzi), Chapter on Supreme Joy (Zhile): When the well rope is too short, one cannot draw water from the depths.
Yupian (Yupian): Also written in a variant form.
Also, Jiyun (Jiyun): Pronounced bing (falling tone).
Rites of Zhou (Zhouli), Winter Official, Record of Tradesmen (Kaogongji), Wheelmaker: Observe the outer rim of the wheel, ensuring its alignment is straight.
Annotation: Geng is read as bing, referring to the outer rim of a wheel.
Also, Jiyun (Jiyun): Pronounced man (falling tone). Meaning is the same.