/ Dictionary / Index D daylily: Meaning and Definition of Find definitions for: day•lil•y Pronunciation: (dā'lil"ē), [key] — n. any lily of the genus Hemerocallis, having yellow, orange, or red flowers that commonly last only for a day. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: daylily (Thesaurus) daylight-saving time day-liner Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language