Chen Collection, Middle Volume Radical: Tree (mù) Page 520, Entry 18 According to the Tang Rhyme (Tangyun), Collected Rhymes (Jiyun), and Rhyme Compilation (Yunhui), pronounced neng (rising tone). According to the Collected Rhymes (Jiyun), it is a type of tree. Its bark, when steeped in wine, can be used to treat wind-related ailments. Also, according to the Collected Rhymes (Jiyun), pronounced ning. The meaning is the same. Additionally, in the customs of the Wu region, wooden tenons are referred to as ning-tou.