/ Dictionary / Index L luncheon: Meaning and Definition of Find definitions for: lunch•eon Pronunciation: (lun'chun), [key] — n. lunch, esp. a formal lunch held in connection with a meeting or other special occasion: the alumni luncheon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: luncheon (Thesaurus) lunch counter luncheonette Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language