Difference between Centerboard and Centreboard

CENTERBOARD vs CENTREBOARD: NOUN

Alternative spelling of centreboard.
A retractable or sliding keel used on sailboats, formed of a broad board or slab of wood or metal which may be raised into a water-tight case amidships, when in shallow water, or may be lowered to increase the area of lateral resistance and prevent drifting to leeward when the vessel is beating to windward. It is used in vessels of all sizes along the coast of the United States.
A shifting keel passing through a slot in a boat's bottom and swinging on a pin at the forward lower corner.
A movable keel in a sailboat that can be pivoted upward to reduce the boat's draft in shallow water.
A retractable fin keel used on sailboats to prevent drifting to leeward

The adjustable keel on a small yacht or dinghy that acts, among other things, as ballast and to counteract the sideways force of the wind.
Same as centerboard.
A retractable fin keel used on sailboats to prevent drifting to leeward

Foremast, Bowsprit, Amidships, Foresail, Mainmast, Gunwale, Backstay, Mizzen, Rudder, Fin keel, Skeg, Daggerboard, Drop keel, Sliding keel, Centreboard

Gunwale, Topmast, Fin keel, Rudder, Mizzen, Mainsail, Amidships, Bowsprit, Forestay, Backstay, Skeg, Daggerboard, Drop keel, Sliding keel, Centerboard

Sloop, Sailboat, Foremast, Bowsprit, Amidships, Foresail, Mainmast, Gunwale, Backstay, Mizzen, Rudder, Fin keel, Skeg, Daggerboard, Centreboard

Foresail, Headsail, Gunwale, Topmast, Fin keel, Rudder, Mizzen, Mainsail, Amidships, Bowsprit, Forestay, Backstay, Skeg, Daggerboard, Centerboard

It is known as a keelboat; it has a fixed keel rather than the removable centerboard found on smaller, more basic sailboats.
Able to sail a centerboard or multihull sailboat in light to moderate winds and sea conditions in familiar waters without supervision.
It is essential at this stage to make sure you have a secure knot and that it sits flush with the centerboard.
The centerboard is used like a keel to reduce the unwanted sideways motion of a boat.
The place that the centerboard or daggerboard retracts into.
Ebony White, the Assistant Director of Youth Services at Centerboard, who is also a mother.
PIYA regatta hosted by VLSC every June for all centerboard sailboat racers in the region.

As in very light winds, the centreboard will be adjusted for the point of sail and balance will be very important.
All kinds of sailing tips and hints, with a slight bias towards dinghy and centreboard sailing.
Back the jib to turn the boat down wind and raise the centreboard.
They have a ballasted, pivoting centreboard and twin kick up rudders allowing them to dry out on the beach.