regurgitate in WordNet English dictionary

1. eject the contents of the stomach through the mouth
   "After drinking too much, the students vomited"; "He purged continuously"; "The patient regurgitated the food we gave him last night"
   vomit  vomit up  purge  cast  sick  cat  be sick  disgorge  regorge  retch  puke  barf  spew  spue  chuck  upchuck  honk  regurgitate  throw up 
   
2. repeat after memorization
   "For the exam, you must be able to regurgitate the information"
   regurgitate  reproduce 
   
3. feed through the beak by regurgitating previously swallowed food
   "many birds feed their young by regurgitating what they have swallowed and carried to the nest"
   regurgitate 
   
4. pour or rush back
   "The blood regurgitates into the heart ventricle"
   regurgitate 
   

regurgitate in Webster's English dictionary

1. To be thrown or poured back; to rush or surge back.
   

1. To throw or pour back, as from a deep or hollow place; to pour or throw back in great quantity.
   

regurgitate in English Wiktionary