Zi Collection, Page Position: Upper, Radical: Bird (niǎo), Page 484, Entry 01 Pronounced xiāo. Refers to the upturned tail feathers of a bird. Another interpretation: refers to the appearance of wings spread open. Another interpretation: refers to qú shū (a woolen carpet). Xu Collection, Middle Volume, Radical: Bird (niǎo), Page 545, Entry 05 Pronounced xiāo. Also pronounced xiū. The meaning is the same.