heir-apparent

n. certain heir,heir presumptive当然继承人，王位继承人。
heir-apparent garters: alluding to the Order of theGarter,in which the Prince of Wales,as heir appar-ent,was installed as a knight太子吊袜带，（指）太子作为王位继承人必须拥有的嘉德勋章带。
△1H.IV.2.2.49 (43):“Hang thyself in thine own heir-apparent garters!”(Falstaff modifies the saying “He may hang himself inhis own garters” to fit Prince Hal as heir-apparent anda Knight of the Garter.)用你的太子吊袜带上吊去吧！