Examples from the Web for centreboard
Do you think you can be a bit nippier in getting over the centreboard than you were last time.
She had no keel, but a centreboard dropping between the hulls, and a deep rudder.Yachting Vol. 2|Various.
In rough water a centreboard must strain a boat more than a leeboard does.
Always have the centreboard down in coming alongside a ship.
He grasped the centreboard case, the nearest stable thing at hand, and pulled himself up again into the middle of the boat.