/ Dictionary / Index L Leif: Meaning and Definition of Find definitions for: Leif Pronunciation: (lēf, lāf), [key] — n. a male given name. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Leidy Leif Ericson Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language