definition of
belch

[1] #1 belch n. [belching, burp, burping, eructation] a reflex that expels gas noisily from the stomach through the mouth. wn

[2] #2 belch v. [burp, bubble, eruct] expel gas from the stomach; "In China it is polite to burp at the table". wn

[3] #3 belch v. [erupt, extravasate] become active and spew forth lava and rocks; "Vesuvius erupts once in a while". wn