Source : Webster's Revised Unabridged Dictionary (1913)

Damnation \Dam*na"tion\, n. [F. damnation, L. damnatio, fr.
   damnare. See {Damn}.]
   1. The state of being damned; condemnation; openly expressed
      disapprobation.

   2. (Theol.) Condemnation to everlasting punishment in the
      future state, or the punishment itself.

            How can ye escape the damnation of hell? --Matt.
                                                  xxiii. 33.

            Wickedness is sin, and sin is damnation. --Shak.

   3. A sin deserving of everlasting punishment. [R.]

            The deep damnation of his taking-off. --Shak.

Source : WordNet®

damnation
     n 1: the act of damning
     2: the state of being condemned to eternal punishment in Hell
        [syn: {eternal damnation}]