Noun: daggerboard 'da-gu(r),bord
- A removable centerboard on a small sailing boat that can be lowered into the water to serve as a keel
"The sailor adjusted the daggerboard to improve the boat's stability"
Derived forms: daggerboards
Type of: centerboard [US], centreboard [Brit, Cdn], drop keel, sliding keel [Brit]
Encyclopedia: Daggerboard