Source : Webster's Revised Unabridged Dictionary (1913)

Derision \De*ri"sion\, n. [L. derisio: cf. F. d['e]rision. See
   {Deride}.]
   1. The act of deriding, or the state of being derided;
      mockery; scornful or contemptuous treatment which holds
      one up to ridicule.

            He that sitteth in the heavens shall laugh; the Lord
            shall have them in derision.          --Ps. ii. 4.

            Satan beheld their plight, And to his mates thus in
            derision called.                      --Milton.

   2. An object of derision or scorn; a laughing-stock.

            I was a derision to all my people.    --Lam. iii.
                                                  14.

   Syn: Scorn; mockery; contempt; insult; ridicule.

Source : WordNet®

derision
     n 1: contemptuous laughter
     2: the act of deriding or treating with contempt [syn: {ridicule}]