flatus

noun

1. (uncountable)Gas generated in the digestive tract.

   “This expression is utterly devoid of meaning, a mere flatus vocis.”

2. (countable)Expulsion of such gas through the anus.

   “The point of quoque with illos is that those flatus, which have the right to be called winds, are also subject to laws like the winds themselves.”

   “A long summary of the work quickly appeared in the Royal Society’s Philosophical Transactions, which began with the theory Ten Rhijne’s had adapted from his Japanese colleagues: “This Author treating of the Gout, … asserts Flatus or Wind included between the Periosteum and the bone to be the genuine producer of those intolerable Pains … and that all the method of cure ought to tend toward the dispelling those Flatus”.¹⁵⁶”

3. (countable, obsolete, uncountable)Morbid inflation or swelling.