- to surge or rush back, as liquids, gases, undigested food, etc.
- to cause to surge or rush back; vomit.
- to give back or repeat, especially something not fully understood or assimilated: to regurgitate the teacher's lectures on the exam.
- to vomit forth (partially digested food)
- (of some birds and certain other animals) to bring back to the mouth (undigested or partly digested food with which to feed the young)
- to be cast up or out, esp from the mouth
- (of blood) to flow backwards, in a direction opposite to the normal one, esp through a defective heart valve
