fla·​tus | \ ˈflā-təs How to pronounce flatus (audio) \

Definition of flatus

: gas generated in the stomach or bowels

Examples of flatus in a Sentence

Recent Examples on the Web The sigh was because the question was actually quite common—which became obvious as scientists on Twitter revealed that they, too, had been queried as to the flatus status of their study animals. Steve Mirsky, Scientific American, "A Book That Bills Itself as “the Definitive Field Guide to Animal Flatulence”," 1 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'flatus.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of flatus

1651, in the meaning defined above

History and Etymology for flatus

Latin, act of blowing, act of breaking wind

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Time Traveler for flatus

Time Traveler

The first known use of flatus was in 1651

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Statistics for flatus

Cite this Entry

“Flatus.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/flatus. Accessed 29 January 2020.

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fla·​tus | \ ˈflāt-əs How to pronounce flatus (audio) \

Medical Definition of flatus

: gas generated in the stomach or bowels

More from Merriam-Webster on flatus

Rhyming Dictionary: Words that rhyme with flatus

Britannica.com: Encyclopedia article about flatus

Comments on flatus

What made you want to look up flatus? Please tell us where you read or heard it (including the quote, if possible).


to assert without proof or before proving

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