DictionaryflatusDigestive gas
noun

flatus

FLAY-tuhs/ˈfleɪtəs/

Gas present in or expelled from the digestive tract.

The seated woman lifts one hip as she passes flatus.

A fully clothed older woman slightly lifts one hip from a chair as a small, understated set of drawn air wisps emerges directly behind her trouser seat, making the bodily source of the released gas clear.
Etymology

Latin flatus meant “a blowing.” Applied to wind in the bowels, that image gives the name for intestinal gas released from the body.

In context

Enhanced Public Domain396:10
with spleen flatus vertigos and deliriums
1700s Satire: Jonathan Swift - Gulliver's Travels (Audiobook)

More examples

  • Beans can increase the amount of flatus in the intestines.
  • Passing flatus after surgery can show that the bowels are working.
  • Trapped flatus can cause abdominal discomfort.

Forms

flatus · flatuses

flatulence noun — Excessive gas in the digestive tract.

flatulent adjective — Having excessive gas in the digestive tract.

Similar words

gas
The everyday term, also used for substances outside the body.
fart
An informal term for gas expelled through the anus.