Of or relating to a person named Gregory, especially any of the popes of that name. / Of or pertaining to the Gregorian calendar.

A member of the Brotherhood of Saint Gregory

plural of Gregorian

Alternative letter-case form of Gregorian

The calendar currently used in the western world. It replaced the Julian calendar and was devised to halt the slow drift of the vernal equinox towards earlier in the year.

(music) A style of unaccompanied monophonic singing in the Catholic Church.

plural of Gregorian chant