Belch (verb)

1. To release gas from the stomach through the mouth with a sound.
2. To emit a sound or noise resembling a belch.

Origin:

From middle english belchen, from old english belcian, from proto-germanic *balkōną ("to belc.h")

Examples:

1. After eating too much, he belched loudly, covering his mouth with his hand.
2. The old engine belched smoke as it started up.
3. The volcano belched ash and lava.
4. He belched after drinking the carbonated beverage.
5. The baby belched loudly after drinking his milk.