military order founded in the Holy land after the Third Crusade ~tiara: the special headdress of the pope, consisting of a pointed hat encircled by three crowns
A religious military order of knights established near the end of the twelfth century somewhat like the Templars and Hospitaliers, being composed in the main of Teutonic crusaders It attained high power, but declined in the fifteenth century, and was finally abolished by Napoleon in 1809