/miz'euh rair"ee, -rear"ee/ , n.
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).
[ miserere lit., have pity (impv.), first word of the psalm ]