noun[mass noun] technical
Gas in or from the stomach or intestines, produced by swallowing air or by bacterial fermentation.
More example sentences
- Failure to pass flatus or feces suggests intestinal obstruction.
- The bacterial activity also produces the C02 associated with increased flatus.
- However, fever, nausea, increased flatus and chronic diarrhea with malabsorption may occur.
mid 17th century: from Latin, literally 'blowing', from flare 'to blow'.
Definition of flatus in:
- The US English dictionary