[gri-gawr-ee-uh n, -gohr-]


of or relating to any of the popes named Gregory, especially Gregory I or Gregory XIII.

Origin of Gregorian

1590–1600; < New Latin gregoriānus of, pertaining to Pope Gregory, equivalent to Late Latin Gregori(us) + Latin -ānus -an Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Historical Examples of gregorian

British Dictionary definitions for gregorian



relating to, associated with, or introduced by any of the popes named Gregory, esp Gregory I or Gregory XIII
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for gregorian



literally "pertaining to Gregory," from Late Latin Gregorianus, from Gregorius (see Gregory). From c.1600 in reference to church music, from Gregory I (pope from 590-600), who traditionally codified it; 1640s in reference to new calendar (introduced 1582) from Pope Gregory XIII.

Online Etymology Dictionary, © 2010 Douglas Harper