centre-board

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Definition of centre-board in English English dictionary

centreboard
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
centreboard
a retractable fin keel used on sailboats to prevent drifting to leeward
centreboard
A movable or sliding keel 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 leeway when the vessel is beating to windward
centreboard
{i} retractable fin keel used on sailboats (Nautical)
centreboard
It is used in vessels of all sizes along the coast of the United States
centreboard
The adjustable keel on a small yacht or dinghy that act, among other things, as ballast