/ Dictionary / Index L lie-down: Meaning and Definition of Find definitions for: lie-down Pronunciation: (lī'doun"), [key] — n. Chiefly Brit. a nap. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lie-down (Thesaurus) lie detector lief Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language