[ mik-uh l-muh s ]
/ ˈmɪk əl məs /

noun Chiefly British.

a festival celebrated on September 29 in honor of the archangel Michael.

Origin of Michaelmas

before 1150; Middle English Mighelmes; Old English (Sanct) Michaeles masse (St.) Michael's mass
Also called Michaelmas Day.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for michaelmas


/ (ˈmɪkəlməs) /


Sept 29, the feast of St Michael the archangel; in England, Ireland, and Wales, one of the four quarter days
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 michaelmas


early 12c., Sanct Micheles mæsse, the feast of St. Michael (Sept. 29, an English quarter-day), from Michael + mass (n.2). Goose is the day's traditional fare since at least 15c.

Online Etymology Dictionary, © 2010 Douglas Harper