Wu Collection, Lower Volume Radical: Stone (shí) Long Kangxi strokes: 21 Page 838, Entry 35 Classical citations: Tang Rhymes (Tangyun) pronounces it as long. Collected Rhymes (Jiyun) and Rhymes Meeting (Yunhui) pronounce it as long, with the same sound as cage. Explaining Graphs (Shuowen) defines it as to grind. Discourses of the States (Jinyu) records: Zhao Wenzi built a house, hewing and smoothing the rafters. Xunzi, Chapter on the Nature of Evil (Xunzi, Xing'e pian) writes: Blunt metal must be ground and sharpened before it becomes keen. Yangzi's Model Sayings (Yangzi Fayan) records: There are knives that require grinding. Also, Jade Chapters (Yupian) defines it as a tool for grinding grain. Also, Collected Rhymes (Jiyun) pronounces it as long. The meaning is the same.