You Collection, Middle Volume Radical: Valley (gǔ) Kangxi Strokes: 14 Page 1190, Entry 11 Pronounced han. The appearance of a mountain valley being vast and empty. Records of the Grand Historian (Shiji), Biography of Sima Xiangru: Vast and opening wide. Commentary: Describes something very broad and expansive. Zhang Heng, Rhapsody on Contemplating the Mystery (Sixuan fu): Hastening into the vast and deep cave. Commentary: Describes something deep and secluded. Also, according to the Compilation of Rhymes (Leipian), pronounced xian. The meaning is the same. It is also written in a variant form.