From Longman Dictionary of Contemporary Englishbelchbelch /beltʃ/ verb 1 [intransitive]MI to let air from your stomach come out loudly through your mouth SYN burp2 (also belch out) [intransitive, transitive]SEND to send out a large amount of smoke, flames etc, or to come out of something in large amounts a line of chimneys belching out smoke Flames belched from the wreckage. —belch noun [countable]→ See Verb table
Examples from the Corpus
belch• Pressed against me, the women stitched, blew snot out of their noses, spat and belched.• Offshore a small tug belched black smoke as she struggled to pull a string of barges.• smokestacks belching black smoke into the air• Cranston was now quietly nodding, belching softly and smacking his lips.Origin belch Old English bealcian 