名詞 gregorian calendar:

1. the solar calendar now in general use, introduced by Gregory XIII in 1582 to correct an error in the Julian calendar by suppressing 10 days, making Oct 5 be called Oct 15, and providing that only centenary years divisible by 400 should be leap years; it was adopted by Great Britain and the American colonies in 1752
   同義詞：New Style calendar

1. The third month of the year in the Gregorian calendar.
   三月格里高利歷中一年里的第三個月