Liberal Dictionary English Dictionary
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.
noun plural -tuses
- gas generated in the alimentary canal
1660s, from Latin flatus “a blowing,” from flare “to blow” (see blow (v.1)).
n.
- Gas generated in or expelled from the digestive tract, especially from the stomach or intestines.