Chen Collection, Middle Volume Radical: Wood (mù) 柧 Kangxi stroke count: 9 Page 520, Entry 09 Tang Rhyme (Tangyun) and other rhyming dictionaries record the pronunciation as gu. According to the Explaining Graphs and Analyzing Characters (Shuowen), the term denotes a ridge or corner. Xu Kai comments that in lexicons, a three-sided shape is called a ridge, which is the same as a goblet (gu). In the Historical Records (Shiji), Biography of Harsh Officials, it is written: After the rise of the Han dynasty, they broke the sharp-edged goblets to make them round. Furthermore, in Ban Gu's Western Capital Rhapsody (Xidu fu), it is written: Above the sharp-edged roof corners, the golden sparrows perch. In the Collection of Rhymes (Yunhui), the term ridge refers to the highest turning corner of a hall. Also, according to the Classified Chapters (Leipian), it refers to a sickle-like ridge, or alternatively, a wine goblet used in local drinking ceremonies. Also according to the Collected Rhymes (Jiyun), pronounced gua. The meaning is the same.