To eject wind noisily from the stomach through the mouth; eructate.To issue out, as with eructation: as, “belching flames,”To throw or eject from the stomach with violence; eructate.To eject violently from within; cast forth.To ejaculate; vent with vehemence: often with out: as, to belch out blasphemies; to belch out one's fury.n. The act of throwing out from the stomach or from within; eructation.n. A cant name for malt liquor, from its causing belching.