Xu Collection, Upper Volume Radical: Metal (jīn) Zhu Kangxi strokes: 14 Page 1305, Entry 01 Pronounced zhu. According to the Explaining Graphs and Analyzing Characters (Shuowen Jiezi), it refers to a weight equal to one-tenth of a millet grain. One account states that the weight of ten millet grains is one lei, and the weight of ten lei is one zhu. Furthermore, eight zhu make one zi, and twenty-four zhu make one liang. Additionally, Meng Kang states: The capacity of a yellow bell pitch pipe holds one thousand two hundred millet grains, with a weight of twelve zhu. Book of Rites (Liji), Chapter on the Conduct of Scholars (Ruxing): Even when bestowing states, it is regarded as lightly as a zi or a zhu. According to the Erudite Broadness (Boya), it refers to not being sharp. Huainanzi (Huainanzi), Teaching on the Original Essence (Benjing Xun): Its weapons are zhu and blunt, lacking a cutting edge. Commentary: People in the Chu region call a knife that is not sharp a zhu. Also used as a surname. According to the Correct Meaning Overview (Zhengzitong), the provincial graduate Zhu Xuan of the Hongzhi reign period of the Ming dynasty was from Dexing. Also used as a personal name. Book of Han (Qianhan Shu), Annals of Emperor Xuan: The Right Wise King Zhulouqutang arrived at court to pay his respects. Commentary: Zhu is pronounced the same as shu.