referendary noun3 •(historical) An officer who delivered the royal answer to petitions.In the writs of Merovingian kings , the king normally signed his name first , and his referendary followed — 1941 •(no longer used) An officer of state charged with the duty of procuring and dispatching diplomas and decrees. •(no longer used) One to whose decision a cause is referred; a referee.let him choose well his referendaries , for else he may be led by the nose — 1625 formsreferendaries