Source : Webster's Revised Unabridged Dictionary (1913)

Crackling \Crac"kling\ (kr?k"kl?ng), n.
   1. The making of small, sharp cracks or reports, frequently
      repeated.

            As the crackling of thorns under a pot, so is the
            laughter of the fool.                 --Eccl. vii.
                                                  6.

   2. The well-browned, crisp rind of roasted pork.

            For the first time in his life he tested crackling.
                                                  --Lamb.

   3. pl. Food for dogs, made from the refuse of tallow melting.

Source : WordNet®

crackling
     n : the sharp sound of snapping noises [syn: {crackle}, {crepitation}]