Wu Collection, Lower Volume Radical: Stone (shí) Gong, 15 strokes Page 834, Entry 01 According to the Expanded Rhymes (Guangyun), it is pronounced gong. According to the Collected Rhymes (Jiyun), it is pronounced gong. It refers to the sound of striking stone. Furthermore, according to the Supplement to the Dictionary (Zihui bu), it is also a surname. According to the Records of the Court of Imperial Sacrifices (Taichang si zhi), there was a person with the surname Gong during the reign of the Ming dynasty Emperor Taizu.