burping(n = noun.act) belch, belching, burp, eructation - a reflex that expels gas noisily from 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

   a reflex that expels wind noisily from the stomach through the mouth. [WordNet 1.5]