/ Dictionary / Index T tympanites: Meaning and Definition of Find definitions for: tym•pa•ni•tes Pronunciation: (tim"pu-nī'tēz), [key] — n. Pathol. distention of the abdominal wall, as in peritonitis, caused by the accumulation of gas or air in the intestine or peritoneal cavity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tympanites (Thesaurus) tympanist tympanitis Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language