[ fley-tuh s ]
/ ˈfleɪ təs /

noun, plural fla·tus·es.

intestinal gas produced by bacterial action on waste matter in the intestines and composed primarily of hydrogen sulfide and varying amounts of methane.

Origin of flatus

1660–70; < New Latin; Latin: a blowing, breathing, breath, equivalent to flā(re) to blow + -tus suffix of v. action
Also called gas.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for flatus

/ (ˈfleɪtəs) /

noun plural -tuses

gas generated in the alimentary canal

Word Origin for flatus

C17: from Latin: a blowing, snorting, from flāre to breathe, blow
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for flatus

[ flātəs ]


Gas generated in or expelled from the digestive tract, especially from the stomach or intestines.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.