/ Dictionary / Index L LIFO: Meaning and Definition of Find definitions for: LIFO Pronunciation: (lī'fō), [key] — n. See(def. 1). a data storage and retrieval technique, usually implemented using a queue, in which the last item stored is the first item retrieved. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lifo (Thesaurus) Liffey lift Related Content Daily Word Quiz: novice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language