Definition of flatus in English:


Syllabification: fla·tus
Pronunciation: /ˈflātəs


  • 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'.

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a slit made by cutting with a saw