Source : WordNet®

Gregory
     n 1: the pope who sponsored the introduction of the modern
          calendar (1572-1585) [syn: {Gregory XIII}, {Ugo
          Buoncompagni}]
     2: the pope who fought to establish the supremacy of the pope
        over the Church and the supremacy of the Church over the
        state (1020-1085) [syn: {Gregory VII}, {Hildebrand}]
     3: (Roman Catholic Church) a pope distinguished for his
        spiritual and temporal leadership; a saint and Doctor of
        the Church (540?-604) [syn: {Gregory I}, {Saint Gregory I},
         {St. Gregory I}, {Gregory the Great}]