/ Dictionary / Index D days: Meaning and Definition of Find definitions for: days Pronunciation: (dāz), [key] — adv. in or during the day regularly: They slept days rather than nights. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: days (Thesaurus) day room daysail Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language