庾信 Traditional form: 庾信 Pinyin (reading): Yǔ Xìn Definitions: Yu Xin (513-581), poet from Liang of the Southern dynasties 南朝梁朝 and author of Lament for the South 哀江南賦/哀江南赋 Characters: 庾 - granary; storehouse 信 - to trust, to believe; letter, sign Traditional characters: 庾 - granary; storehouse 信 - to trust, to believe; letter, sign