伯叔 bóshū paternal uncles Origin Definitions Defs Strokes Stroke Words Sentences Sents bóshū paternal uncles 伯 bó noun uncle (bound form) father's elder brother; also used as a respectful form of address for a man of one's father's generation叔 shū noun uncle father's younger brother; a term of address for a man about one's father's agebóshū brothers-in-law 伯 bǎi brother-in-law (bound form) used in terms for a husband's elder brother叔 shū brother-in-law (bound form) husband's younger brotherbóshū birth order 伯 bó eldest brother (bound form) the eldest of brothers; senior; first in order of seniority among brothers叔 shū third-born (bound form) the third in order of birth among brothers