The Collaborative International Dictionary of English v.0.48:

Infringement \In*fringe"ment\, n.
   1. The act of infringing; breach; violation; nonfulfillment;
      as, the infringement of a treaty, compact, law, or
      constitution.
      [1913 Webster]

            The punishing of this infringement is proper to that
            jurisdiction against which the contempt is.
                                                  --Clarendon.
      [1913 Webster]

   2. An encroachment on a patent, copyright, or other special
      privilege; a trespass.
      [1913 Webster]

WordNet (r) 3.0 (2006):

infringement
    n 1: an act that disregards an agreement or a right; "he claimed
         a violation of his rights under the Fifth Amendment" [syn:
         violation, infringement]
    2: a crime less serious than a felony [syn: misdemeanor,
       misdemeanour, infraction, violation, infringement]