A noxious vapour generated in the digestive system; the ‘fume’ supposed to ascend to the brain as a result of drinking alcoholic liquor. Obsolete.

Vaporous humour rising into the head from the stomach.

A vapour or exhalation produced as an ‘excrement’ of the body; esp. a noxious vapour supposed formerly to rise to the brain from the stomach (now…

plural. In older medical use: Exhalations supposed to be developed within the organs of the body (esp. the stomach) and to have an injurious effect…

Physiology. Of food: The state of being imperfectly digested, or the quality of being indigestible; indigestion; also, in old physiology, imperfect…

spec. Gas, or a gas, generated within the gastrointestinal tract, typically by bacterial activity; flatus. Cf. flatus, n. 2, wind, n.1 10a.