Hai Collection, Upper Volume Radical: Bone (gǔ) Character: lu Kangxi stroke count: 26 Page 1451, Entry 19 According to the Extensive Rhymes (Guangyun), pronounced lu. According to the Collected Rhymes (Jiyun), pronounced lu. Variant of the character for skull. In the History of the Tang Dynasty (Tangshu), Biography of Zhang Jiuling, it mentions the skull and feet in a crisscrossing pattern. Pronunciation guide: lu, referring to the skull.