To throw up or eject from the stomach; discharge from the stomach through the mouth: often followed by forth, up, or out.To eject with violence from any hollow place; belch forth; emit.To eject the contents of the stomach by the mouth; puke; spew.To be emitted; come out with force or violence.n. That which is vomited; specifically, matter ejected from the stomach in the act of vomiting; an attack of vomiting.n. That which excites the stomach to discharge its contents; an emetic.