/ Dictionary / Index T tongue cover: Meaning and Definition of Find definitions for: tongue' cov"er Pronunciation: [key] a loose-leaf binding having a flap of the cover concealing the binding posts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tongue-and-groove joint tongue depressor Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language