Source : Webster's Revised Unabridged Dictionary (1913)

Regurgitation \Re*gur`gi*ta"tion\ (-t?"sh?n), n. [Cf. F.
   r['e]gurgitation.]
   1. The act of flowing or pouring back by the orifice of
      entrance; specifically (Med.), the reversal of the natural
      direction in which the current or contents flow through a
      tube or cavity of the body. --Quain.

   2. The act of swallowing again; reabsorption.

Source : WordNet®

regurgitation
     n 1: backflow of blood through a defective heart valve
     2: recall after rote memorization; "he complained that school
        was just memorization and regurgitation"
     3: the reflex act of ejecting the contents of the stomach
        through the mouth [syn: {vomit}, {vomiting}, {emesis}, {disgorgement},
         {puking}]