/ Dictionary / Index L ledger beam: Meaning and Definition of Find definitions for: ledg'er beam" Pronunciation: [key] a reinforced-concrete beam having projecting ledges for receiving the ends of joists or the like. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ledger ledger board Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language