/ Dictionary / Index D dining car: Meaning and Definition of Find definitions for: din'ing car" Pronunciation: [key] a railroad car equipped with tables and chairs, in which meals are served. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dingy dining hall Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language