belch (
http://definr.com/belch)
n : a reflex that expels wind noisily from the stomach through
the mouth [syn:
belching,
burp,
burping,
eructation]
v 1: expel gas from the stomach; "In China it is polite to burp
at the table" [syn:
burp,
bubble,
eruct]
2: become active and spew forth lava and rocks; of volcanoes;
"Vesuvius erupts once in a while" [syn:
erupt]