Wu Collection, Lower Volume Radical: Stone (shí) 磶 Kangxi strokes: 17 Page 836, Entry 28 Guangyun (Guangyun), Jiyun (Jiyun), Yunhui (Yunhui), Zhengyun (Zhengyun): Pronounced xi. The stone placed under the base of a pillar. Boya (Boya): A chuxue (base stone), or a dian (foundation stone). Zhang Heng, Western Capital Rhapsody (Xijing Fu): Carved pillars with jade bases, embroidered bracket sets, and cloud-patterned lintels.