Anchor
Device used to secure a vessel to the bed of a body of water to prevent the craft from drifting / From Wikipedia, the free encyclopedia
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An anchor is a device, normally made of metal, used to secure a vessel to the bed of a body of water to prevent the craft from drifting due to wind or current. The word derives from Latin ancora, which itself comes from the Greek ἄγκυρα (ankȳra).[2][3]
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/4/4f/Amoco_Cadiz_anchor.jpg/640px-Amoco_Cadiz_anchor.jpg)
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/b/b6/Ankkuri_Kirjurin_k%C3%A4rjess%C3%A4_1.jpg/640px-Ankkuri_Kirjurin_k%C3%A4rjess%C3%A4_1.jpg)
Anchors can either be temporary or permanent. Permanent anchors are used in the creation of a mooring, and are rarely moved; a specialist service is normally needed to move or maintain them. Vessels carry one or more temporary anchors, which may be of different designs and weights.
A sea anchor is a drag device, not in contact with the seabed, used to minimise drift of a vessel relative to the water. A drogue is a drag device used to slow or help steer a vessel running before a storm in a following or overtaking sea, or when crossing a bar in a breaking sea.