Hai Collection, Lower Volume Radical: Tooth (chǐ) Kangxi Strokes: 24 Page 1535, Entry 09 Pronounced wěn. As defined in the Shuowen Jiezi (Shuowen), to be toothless. According to the Outer Commentary on the Han School of Poetry (Hanshi Waizhuan), when Grand Duke Wang was seventy-two, his teeth had fallen out, leaving him toothless. Also, pronounced kǔn. The appearance of teeth being visible. Another interpretation is to gnaw. Sometimes written in a variant form (yín).