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Webster 1913 Edition


Centreboard

{

Cen′ter-boardˊ

,

Cen′tre-board

, }
(sĕn′tẽr-bōrdˊ)
,
Noun.
(Naut.)
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

Syn. – centreboard, drop keel, sliding keel.

Definition 2024


centreboard

centreboard

See also: centre-board

English

Alternative forms

Noun

centreboard (plural centreboards)

  1. (British, nautical) 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.

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