/ Dictionary / Index G Gregorian: Meaning and Definition of Find definitions for: Gre•go•ri•an Pronunciation: (gri-gôr'ē-un, -gōr'-), [key] — adj. of or pertaining to any of the popes named Gregory, esp. Gregory I or Gregory XIII. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gregorian (Thesaurus) grego Gregorian calendar Related Content Daily Word Quiz: draconian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language