Pronunciation: (miz"u-râr'ē, -rēr'ē), [key]
1. the 51st Psalm, or the 50th in the Douay Bible.
2. a musical setting for it.
3. (l.c.) a prayer or expression of appeal for mercy.
4. (l.c.) misericord (def. 3).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.