Definition of daggerboard in English:



  • A board that slides vertically through the keel of a sailboat to reduce sideways movement.

    Compare with centerboard
    • ‘Late last week, Kingfisher hit a submerged object and damaged her daggerboard.’
    • ‘Contrary to popular belief, the daggerboard or centerboard does not keep the sailboat from tipping over.’
    • ‘We merely centred our weight over the daggerboards and shoved the tiller round to turn.’
    • ‘If the rudder and daggerboard are made of plywood and glassed they will need to be primed and painted.’
    • ‘It was not possible to hoist the daggerboard and a large area of carbon was now visible on the port side.’