belch

Short definition from Wiktionary

Verb

1. 1
   To expel (gas) from the stomach through the mouth; especially, to do so loudly.
2. 2
   To eject or emit (something) with spasmodic force or noise.

Noun

1. 1
   An instance of belching; the sound that it makes.
2. 2
   Malt liquor.

Proper noun

1. 1
   A surname.