Hai Collection, Lower Volume Radical: Tooth (chǐ) Kangxi stroke count: 21 Page 1534, Entry 06 Tang Rhymes (Tangyun), Collection of Rhymes (Jiyun), and Collection of Rhymes and Annotations (Yunhui): Pronounced yǎo (rising tone). The same as the word for to bite. Explaining Graphs and Analyzing Characters (Shuowen): To gnaw on a bone. Extended Rhymes (Guangyun): To gnaw. History of the Former Han (Qianhan Shu), Treatise on Food and Money (Shihuo Zhi): The exhausted men and the frail elderly exchanged children and gnawed on their bones. Zhang Xie, Seven Admonitions (Qi Ming): The mouth gnaws at the flying blade. Also, according to the Collection of Rhymes (Jiyun): Pronounced qiǎo (rising tone). Matches the meaning above.