wishbone (n.)youdaoicibaDictYouDict[wishbone 词源字典]
also wish-bone, 1860, from wish (n.) + bone (n.); so called from the custom of making a wish while pulling the bone in two with another person. The wishbone breaking custom dates to the early 17c., when the bone was a merrythought.[wishbone etymology, wishbone origin, 英语词源]