/ Dictionary / Index T tank car: Meaning and Definition of Find definitions for: tank' car" Pronunciation: [key] a car containing one or more tanks for the transportation of liquids, gases, or granular solids. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tankard tank destroyer Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language