/ Dictionary / Index D daggerboard: Meaning and Definition of Find definitions for: dag•ger•board Pronunciation: (dag'ur-bôrd", -bōrd"), [key] — n. Naut. a removable board on a small sailboat, typically of small dimension fore and aft, lowered into the water through a trunk to serve as a keel. Cf. centerboard. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: daggerboard (Thesaurus) dagger dagger fern Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language