Wu Collection, Upper Volume Radical: Jade (yù) Si Kangxi Strokes: 18 Page 743, Entry 18 Tang Rhymes (Tangyun): Pronounced se (falling tone) Collected Rhymes (Jiyun), Dictionary of Rhymes (Yunhui), Correct Rhymes (Zhengyun): Pronounced se (falling tone) Explaining Graphs and Analyzing Characters (Shuowen Jiezi): The veins and luster of jade reflecting one another, arranged like the strings of a zither (se). The Book of Odes (Shijing) says: Si is that jade libation cup. Note: In the current version of the Book of Odes, Great Elegantia (Daya), this is written as the character for zither (se). Jade Chapter (Yupian): Refers to being pure, fresh, and clean. Broad Rhymes (Guangyun): Describes the appearance of jade that is bright, fresh, and clean. Dictionary of Rhymes (Yunhui): Another interpretation is si-si, referring to blue-green beads. Used interchangeably with the term for murmuring (se-se). Categorized Lexicon (Leipian): Also written in a variant form.