/ Dictionary / Index L library card: Meaning and Definition of Find definitions for: li'brary card" Pronunciation: [key] a card issued by a library to individuals or organizations entitling them or their representatives to borrow materials. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. library binding library edition Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language