/ Dictionary / Index B blacktongue: Meaning and Definition of Find definitions for: black•tongue Pronunciation: (blak'tung"), [key] — n. Vet. Pathol. canine pellagra. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. black titi blacktop 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