intransitive verb, transitive verb

1. to expel (gas) through the mouth from the stomach; eruct
2. to utter (curses, orders, etc.) violently
3. to throw forth (its contents) violently, often in spasms the volcano belched flame

Etymology: ME belchen < OE bealcian, to bring up, emit, splutter out

noun

1. the act of belching; eructation
2. a thing belched