/ Dictionary / Index T tag boat: Meaning and Definition of Find definitions for: tag' boat" Pronunciation: [key] a small rowboat usually towed astern of a larger vessel. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tagboard tag day Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language