Amerce :: Amerce (v. t.) To punish by a pecuniary penalty, the amount of which is not fixed by law, but left to the discretion of the court; as, the amerced the criminal in the sum on the hundred dollars..
Amerce :: Amerce (v. t.) To punish, in general; to mulct..
Amercement :: Amercement (n.) The infliction of a penalty at the discretion of the court; also, a mulct or penalty thus imposed. It differs from a fine,in that the latter is, or was originally, a fixed and certain sum prescribed by statue for an offense; but an amercement is arbitrary. Hence, the act or practice of affeering. [See Affeer.].