Gregorian

形容词 gregorian:

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

1. A Gregorian chant.
   格列高利圣歌
2. The third month of the year in the Gregorian calendar.
   三月格里高利历中一年里的第三个月