/ Dictionary / Index T tailboard: Meaning and Definition of Find definitions for: tail•board Pronunciation: (tāl'bôrd", -bōrd"), [key] — n. the tailgate, esp. of a wagon or truck. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tailboard (Thesaurus) tailband tailbone Related Content Daily Word Quiz: dentifrice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language