Wu Collection, Middle Volume. Radical: Vessel (mǐn). Kangxi Strokes: 13. Page 795, Entry 12. According to the Extensive Dictionary of Sounds and Meanings (Guangyun), the Collected Rhymes (Jiyun), the Collection of Rhymes (Yunhui), and the Correct Rhymes (Zhengyun), it is pronounced lu (falling-rising tone), with the same sound as lu. The Er Ya: Explanation of Ancient Terms (Er Ya Shigu) defines it as to exhaust or deplete. The Fangyan (Regional Speech) by Yangzi defines it as to dry up. The Jade Chapters (Yupian) defines it as to filter. The Extensive Dictionary of Sounds and Meanings (Guangyun) defines it as to remove moisture. The Record of Trades (Kaogongji) in the Rites of Zhou (Zhouli) mentions clearing away ash and filtering out water when washing silk fabrics. Additionally, the Collected Rhymes (Jiyun) notes that it is used interchangeably with the character lu (to filter). The Book of Rites (Liji), in the Monthly Ordinances (Yueling), states not to cause ponds to dry up. The commentary explains the character here as meaning to deplete. Furthermore, the Collected Rhymes (Jiyun) notes that it is sometimes written in a variant form. The Book of Odes (Shijing), in the Minor Odes of the Kingdom (Xiaoya), mentions wine overflowing while being filtered; the commentary explains this as filtering wine using a bamboo basket. It specifically means to filter. It also refers to a small box or case. The Old History of the Tang Dynasty (Tangshu), Biography of Li Deyu, records that Emperor Jingzong issued an edict ordering the Zhejiang region to present cosmetic cases made of grease-treated boxes. The History of the Song Dynasty (Songshi), Treatise on Carriages and Attire, records that the Emperor's seal for receiving the Mandate of Heaven was stored in a small box. The Collected Rhymes (Jiyun) notes that it is synonymous with the character lu (bamboo basket). It is also the name of a prefecture. The History of the Yuan Dynasty (Yuanshi), Biography of Annam, records that the Prince of Zhennan hurried toward Lu Prefecture and exited via a shortcut. It also refers to a personal name. The History of the Song Dynasty (Songshi), Biography of Jiaozhi, records that the heir of Jiaozhi was named Ruan Lu.