| Flatus 1. (n.) Plural of Flatus. 2. (n.) A breath; a puff of wind. 3. (n.) Wind or gas generated in the stomach or other cavities of the body. Thesaurus Entries afterdamp, breath, chokedamp, cloud, coal gas, damp, effluvium, exhalation, exhaust, exhaust gas, fetid air, firedamp, flatus, fluid, fume, malaria, mephitis, miasma, puff of smoke, reek, smoke, smudge, steam, vapor, volatile, water vapor |