Pronunciation: (ku-mem"u-rā'shun), [key]
1. the act of commemorating.
2. a service, celebration, etc., in memory of some person or event.
3. a memorial.
4. (in many Christian churches) a special service or prayer for commemorating the lesser feast on days on which two feasts of unequal rank are celebrated.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.