伯叔 Traditional form: 伯叔 Pinyin (reading): bóshū Definitions: father's brother (uncle) husband's brother (brother-in-law) Characters: 伯 - older brother; father's elder brother; sir, sire, count 叔 - uncle; father's younger brother Traditional characters: 伯 - older brother; father's elder brother; sir, sire, count 叔 - uncle; father's younger brother