Inflected forms: a·merced, a·merc·ing, a·merc·es 1.Law To punish by a fine imposed arbitrarily at the discretion of the court. 2. To punish by imposing an arbitrary penalty.
ETYMOLOGY:
Middle English amercen, from Anglo-Norman amercier, from à merci, at the mercy of : à, to (from Latin ad; see ad) + merci, mercy (from Latin mercs, wages).