Answer: misericord

AnswerCrossword Clue
MISERICORDChurch's "mercy seat"
MISERICORDMedieval dagger.
misericordAn apartment in a monastery in which some relaxations of the monastic rule are permitted
misericordA small dagger used to deliver a death stroke to a wounded enemy
misericorda bracket on a turn-up seat in a choirstall, allowing the user some support when standing also MISERICORDE
misericordA ledge projecting from the underside of a hinged seat in a choir stall that, when the seat is turned up, gives support to someone standing