RhymeZone: misericord definitions

Definitions of misericord:

noun: Relaxation of monastic rules.
noun: The room in a monastery for monks granted such relaxation.
noun: A ledge, sometimes ornately carved, attached to a folding church seat to provide support for a person standing for long periods; a subsellium.
noun: A medieval dagger, used for the mercy stroke to a wounded foe.

(Definitions from Wiktionary)