/ Dictionary / Index T tympanic membrane: Meaning and Definition of Find definitions for: tympan'ic mem'brane Pronunciation: [key] — Anat., Zool. Anat.,Zool. eardrum. See diag. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tympanic bone tympanist 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