Xu Collection, Middle Volume. Radical: Rain (yǔ). Kangxi strokes: 19. Page 1377, Entry 52. Broad Rhymes (Guangyun): Pronounced xi. Collected Rhymes (Jiyun) and Correct Rhymes (Zhengyun): Pronounced xi. Jade Chapters (Yupian): The term xi-xi denotes heavy rain. Broad Rhymes (Guangyun): The character dictionary states it describes the appearance of rain. Expanded Elegantia (Guangya): Xi-xi means rain. Also, Broad Rhymes (Guangyun): Xi-xi is the name of a northeastern barbarian tribe. Collected Rhymes (Jiyun): Sometimes written in a variant form (ni). Additionally, Broad Rhymes (Guangyun): Pronounced xi. The term xi-xi denotes heavy rain. Also, Collected Rhymes (Jiyun): Bai-xi is a state of the northern tribes. Book of Tang (Tangshu), Record of the Uighurs (Huihu Zhuan): Bai-xi resided in the former lands of the Xian. The tribe had three branches: Juyan, Wuruomei, and Huangshui.