Source : Webster's Revised Unabridged Dictionary (1913)

Deletion \De*le"tion\, n. [L. deletio, fr. delere. See
   {Delete}.]
   Act of deleting, blotting out, or erasing; destruction.
   [Obs.] --Jer. Taylor.

         A total deletion of every person of the opposing party.
                                                  --Sir M. Hale.

Source : WordNet®

deletion
     n 1: any process whereby sounds are left out of spoken words or
          phrases [syn: {omission}]
     2: the omission that is made when an editorial change shortens
        a written passage; "an editor's deletions frequently upset
        young authors"; "both parties agreed on the excision of
        the proposed clause" [syn: {excision}, {cut}]
     3: the act of deleting something written or printed