Noun


1. belch, belching, burp, burping, eructation, reflex, reflex response, reflex action, instinctive reflex, innate reflex, inborn reflex, unconditioned reflex, physiological reaction, expulsion, projection, ejection, forcing out

usage: a reflex that expels gas noisily from the stomach through the mouth

Verb


1. burp, bubble, belch, eruct, emit, breathe, pass off

usage: expel gas from the stomach; "In China it is polite to burp at the table"

2. erupt, belch, extravasate, explode, burst

usage: become active and spew forth lava and rocks; "Vesuvius erupts once in a while"

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See also: belch (Dictionary)