Gregorian

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

1. of or relating to Pope Gregory I or to the plainsong chants of the Roman Catholic Church
• Pertains to noun:
Gregory I, Gregorian chant
• Derivationally related forms:
Gregory
2. of or relating to Pope Gregory XIII or the calendar he introduced in 1582
• Pertains to noun:
Gregory XIII, Gregorian calendar
• Derivationally related forms:
Gregory