Wei Collection, Middle Volume
Radical: Sheep (yáng)
羠
Kangxi Stroke Count: 12
Page 952, Entry 11
Guangyun: yi (level tone), zhi (entering tone)
Jiyun: yan (level tone), zhi (entering tone)
Pronounced yi (level tone)
Shuowen: Refers to a castrated ram.
Yupian: Refers to a castrated sheep.
Jijiu Pian Zhu: In addition, there is a type of wild sheep in the West with large horns. The male is called yuan, and the female is called zheng. Their horns shed with the seasons. The horns of the yuan are particularly large, and those of the zheng are slightly smaller.
Shiji - Account of the Profiteers: The people there are as tough and uneven as rams and wethers.
Note: Suoyin says: This means that the people of that place are like sheep in temperament, agile, strong, and inconsistent.
Also Guangyun: xu (level tone), qie (entering tone)
Jiyun: xu (level tone), zi (entering tone)
Pronounced si (level tone)
The meaning is the same.