vomiting(n = noun.act) disgorgement, emesis, puking, regurgitation, vomit - the reflex act of ejecting the contents of the stomach through the mouth;
is a kind of ejection, expulsion, forcing out, projection, inborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, reflex action, reflex response, unconditioned reflex
has particulars: rumination, haematemesis, hematemesis, hyperemesis
Derived form verb vomit₁

   The spasmodic ejection of matter from the stomach through the mouth. [1913 Webster]

N  ejection, emission, effusion, rejection, expulsion, exportation, eviction, extrusion, trajection, discharge, emesis, vomiting, vomition, egestion, evacuation, ructation, eructation, bloodletting, venesection, phlebotomy, paracentesis, expuition, exspuition, tapping, drainage, clearance, clearage, deportation, banishment, rouge's march, relegation, extradition, dislodgment, bouncer, chucker-out, vomit, vomitus, puke, barf, emitting, emitted Int, begone!, get you gone!, get away, go away, get along, go along, get along with you, go along with you!, go your way!, away with!, off with you!, get the hell out of here!, go about your business!, be off!, avaunt!, aroynt!, allez-vous-en!, jao!, va-t'en!.