The Collaborative International Dictionary of English v.0.48:

Perdition \Per*di"tion\ (p[~e]r*d[i^]sh"[u^]n), n. [F., fr. L.
   perditio, fr. perdere, perditum, to ruin, to lose; per (cf.
   Skr. par[=a] away) + -dere (only in comp.) to put; akin to
   Gr. tiqe`nai, E. do. See Do.]
   1. Entire loss; utter destruction; ruin.
      [1913 Webster]

            The mere perdition of the Turkish fleet. --Shak.
      [1913 Webster]

   2. (religion) Damnation; the utter loss of the soul, or of
      final happiness in a future state; future misery or
      eternal death.
      [1913 Webster]

            If we reject the truth, we seal our own perdition.
                                                  --J. M. Mason.
      [1913 Webster]

   3. Loss or diminution. [Obs.] --Shak.
      [1913 Webster]

   4. Hell; hades; as, on the path to perdition.
      [PJC]

WordNet (r) 3.0 (2006):

perdition
    n 1: (Christianity) the abode of Satan and the forces of evil;
         where sinners suffer eternal punishment; "Hurl'd
         headlong...To bottomless perdition, there to dwell"- John
         Milton; "a demon from the depths of the pit"; "Hell is
         paved with good intentions"-Dr. Johnson [syn: Hell,
         perdition, Inferno, infernal region, nether region,
         pit] [ant: Heaven]