- vomit, vomiting, emesis, regurgitation, disgorgement, puking - the reflex act of ejecting the contents of the stomach through the mouth
--1 is a kind of reflex, instinctive reflex, innate reflex, inborn reflex, unconditioned reflex, physiological reaction; expulsion, projection, ejection, forcing out
--1 has particulars: rumination; hematemesis, haematemesis; hyperemesis