/ Dictionary / Index T tailbone: Meaning and Definition of Find definitions for: tail•bone Pronunciation: (tāl'bōn"), [key] — n. Anat. the coccyx. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tailboard tail coat Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language