1 [V] to let air come up noisily from your stomach and out through your mouth:
He wiped his hand across his mouth, then belched loudly.
compareBURP
2 [V, VN] ~ (out / forth) (sth) to send out large amounts of smoke, flames, etc.; to come out of sth in large amounts
belch noun:
He sat back and gave a loud belch.
