/ Dictionary / Index L letterspace: Meaning and Definition of Find definitions for: let•ter•space Pronunciation: (let'ur-spās"), [key] — -spaced, -spac•ing. to space out (the letters of a word or line) for balance or emphasis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. letters of credence letters patent Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language