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Webster 1913 Edition
Regurgitation
Re-gurˊgi-ta′tion
(-t?′sh?n)
, Noun.
 [Cf. F. 
régurgitation
.] 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. 
Webster 1828 Edition
Regurgitation
REGURGITA'TION
, n.1.
  The act of pouring back.2.
  The act of swallowing again; reabsorption.