/ Dictionary / Index D day coach: Meaning and Definition of Find definitions for: day' coach" Pronunciation: [key] an ordinary railroad passenger car, as distinguished from a sleeping car, parlor car, or other deluxe accommodations. the class of airline coach for daytime flight at regular fare. Cf. night coach. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. day care day cruiser Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language