/ Dictionary / Index D dinner clothes: Meaning and Definition of Find definitions for: din'ner clothes" Pronunciation: [key] formal or semiformal clothing worn for formal dinners or similar social occasions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dinner dinner dance Related Content Daily Word Quiz: torrid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language