/ Dictionary / Index D Deneb: Meaning and Definition of Find definitions for: Den•eb Pronunciation: (den'eb), [key] — n. Astron. a first-magnitude star in the constellation Cygnus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: deneb (Thesaurus) dene denegation Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language