Zi Collection, Page Position: Lower. Radical: Knife (dao). Kui. Kangxi Stroke Count: 8. Page Number: Page 138, Number 41.
Tang Dynasty Rhymes (Tangyun): Pronounced according to the fanqie of ku and gui. Collected Rhymes (Jiyun) and Rhyme Collection (Yunhui): Pronounced according to the fanqie of qing and qi, having the same sound as kui.
Explaining Graphs and Analyzing Characters (Shuowen Jiezi): Means to stab or to cut.
The man stabs the sheep but there is no blood — Book of Changes (Yijing).
To roast, take a piglet or a ewe and cut it open — Book of Rites (Liji).
Also in Collected Rhymes (Jiyun): Pronounced according to the fanqie of juan and hui, having the same sound as gui. The meaning is the same.
Collected Rhymes (Jiyun) also notes it is sometimes written in a variant form.