Breadcrumb Home > Dictionary > Index T tympanic bone: Meaning and Definition of Find definitions for: tympan'ic bone' Pronunciation: [key] — Anat., Zool. Anat.,Zool. (in mammals) a bone of the skull, supporting the tympanic membrane and enclosing part of the tympanum or middle ear. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tympanic tympanic membrane TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: eponymous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language