Wei Collection, Lower Volume
Radical: Meat (ròu)
Entry: 肎
Kangxi stroke count: 8
Page 973, Entry 11
According to the Tang Dynasty Rhyme Dictionary (Tangyun), pronounced keng (rising tone).
The Explanation of Simple and Compound Characters (Shuowen Jiezi) defines it as the meat between bones.
In the Jade Chapters (Yupian), it is now written as the character for willing (kěn).
According to the Collected Rhymes (Jiyun), pronounced kai (third tone).
The Forest of Characters (Zilin) defines it as meat attached to a bone.