daggerboard

[ dag-er-bawrd, -bohrd ]

noun

, Nautical.

1. 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.

daggerboard

/ ˈdæɡəˌbɔːd /

noun

1. See centreboard
   a light bladelike board inserted into the water through a slot in the keel of a boat to reduce keeling and leeway Compare centreboard

Word History and Origins

Origin of daggerboard¹

dagger + board