1. To belch forth; such as, to eject gas from the stomach: "He was eructing stomach gasses through his mouth."
2. To emit or to issue violently, as matter from a volcano.

1. A reference to ejecting or sending out in large quantities: "The ejecting gases and dust from the volcano delayed flight schedules for several days."
2. A descriptive term for expelling gas from the stomach by belching or burping: "The eructing sounds coming from his stomach were very disturbing."