Source : Webster's Revised Unabridged Dictionary (1913)

Incinerate \In*cin"er*ate\, [LL. incineratus, p. p. of
   incinerare to incinerate; L. pref. in- in + cinis, cineris,
   ashes.]
   Reduced to ashes by burning; thoroughly consumed. [Obs.]
   --Bacon.

Incinerate \In*cin"er*ate\, v. t. [imp. & p. p. {Incinerated};
   p. pr. & vb. n. {Incinerating}.]
   To burn to ashes; to consume; to burn. --Bacon.

         It is the fire only that incinerates bodies. --Boyle.

Source : WordNet®

incinerate
     v 1: become reduced to ashes; "The paper incinerated quickly"
     2: cause to undergo combustion; "burn garbage"; "The car burns
        only Diesel oil" [syn: {burn}]