/ri gerr'ji tay"sheuhn/ , n.
1. the act of regurgitating.
2. voluntary or involuntary return of partly digested food from the stomach to the mouth.
3. Pathol. the reflux of blood through defective heart valves.
[ 1595-1605; regurgitation- (s. of regurgitatio ). See REGURGITATE, -ION ]