Source : Webster's Revised Unabridged Dictionary (1913)

Emptying \Emp"ty*ing\, n.
   1. The act of making empty. --Shak.

   2. pl. The lees of beer, cider, etc.; yeast. [U.S.]

Empty \Emp"ty\, v. t. [imp. & p. p. {Emptied}; p. pr. & vb. n.
   {Emptying}.]
   To deprive of the contents; to exhaust; to make void or
   destitute; to make vacant; to pour out; to discharge; as, to
   empty a vessel; to empty a well or a cistern.

         The clouds . . . empty themselves upon the earth.
                                                  --Eccl. xi. 3.

Source : WordNet®

emptying
     n : the act of removing the contents of something [syn: {voidance},
          {evacuation}]