/ Dictionary / Index L ledger board: Meaning and Definition of Find definitions for: ledg'er board" Pronunciation: [key] a horizontal board, as in a fence. ribbon (def. 8). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ledger beam ledger line 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