Source : Webster's Revised Unabridged Dictionary (1913)

Voracity \Vo*rac"i*ty\, n. [L. voracitas: cf. F. voracit['e].]
   The quality of being voracious; voraciousness.

Source : WordNet®

voracity
     n 1: excessive desire to eat [syn: {edacity}, {esurience}, {ravenousness},
           {voraciousness}]
     2: extreme gluttony [syn: {edacity}, {esurience}, {rapaciousness},
         {rapacity}, {voraciousness}]