Xu Collection, Upper Volume
Radical: Metal (jīn)
Kangxi Strokes: 20
Page 1322, Entry 03
According to the Extensive Dictionary (Guangyun) and Collected Rhymes (Jiyun), pronounced jue. In the Jade Chapters (Yupian), an object is a ring with a tongue. It is identical to the character meaning a belt hook (jue).
In the History of the Later Han (Hou Hanshu), section on Carriage and Dress: From the green ribbon rank and above, the belt appendages are all three feet two inches long. An appendage is an ancient term for a jade pendant. The belt and the ribbon meet, hence it is called an appendage. From the purple ribbon rank and above, between the ribbon and the appendage, one may attach a jade ring clasp.
Also, a jade clasp. In the History of the Former Han (Hanshu), section on Astronomical Phenomena, with the commentary on the back-hole: These refer to vapors beside the sun. The back shape is like the character for back. The hole is often written as the clasp character, and its shape resembles a jade clasp. Ru Chun says: Facing outward is called back, and having vapor piercing the sun is called a clasp. A clasp is that which gouges or wounds.
Also, a locking clasp, which refers to the place where a chest or small box is locked in the front. In the Zhuangzi, section on Opening Trunks: Securely locked with a clasp. The commentary notes that a clasp is a knob or catch.
Also, according to the Collected Rhymes (Jiyun), pronounced yu. An awl.