Gregorian - Definition
gregorian
adj 1: of or relating to Pope Gregory I or to the plainsong
chants of the Roman Catholic Church
2: of or relating to Pope Gregory XIII or the calendar he
introduced in 1582
adj 1: of or relating to Pope Gregory I or to the plainsong
chants of the Roman Catholic Church
2: of or relating to Pope Gregory XIII or the calendar he
introduced in 1582