Moderata Misericordia
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
A writ founded on Magna Charta, which lies for him who is amerced in a court, not of record, for any transgression beyond the quality or quantity of the offense. It is addressed to the lord of the court or his bailiff, commanding him to take a moderate amerciament of the parties.
New Nat. Brev. 167; Fitzh. Nat Brev. 76.