The Collaborative International Dictionary of English v.0.48:
Enormity \E*nor"mi*ty\, n.; pl. Enormities. [L. enormitas, fr.
   enormis enormous: cf. F. ['e]normit['e]. See Enormous.]
   1. The state or quality of exceeding a measure or rule, or of
      being immoderate, monstrous, or outrageous.
      [1913 Webster]
            The enormity of his learned acquisitions. --De
                                                  Quincey.
      [1913 Webster]
   2. That which is enormous; especially, an exceeding offense
      against order, right, or decency; an atrocious crime;
      flagitious villainy; an atrocity.
      [1913 Webster]
            These clamorous enormities which are grown too big
            and strong for law or shame.          --South.
      [1913 Webster]