Categories: Water-transport stubs | Ship construction | Sailboat anatomy The purpose of a ships or boats anchor is to attach the vessel to the ground at a specific point. ... A bilgeboard is lifting foil used in a sailboat, which resembles a cross between a centerboard and a leeboard. ... Nautical capstan A capstan is a rotating machine used to control or apply force to another element, usually linear. ... A centreboard is a form of removable keel on a small sailing boat or dinghy which can be removed to lower the draught (or depth) of the vessel. ... A daggerboard is a type of centreboard used by various sailing craft. ... A permanent covering over a compartment or a hull[1]. On a boat or ship, the primary deck is the horizontal structure which forms the lid of the hull, which both strengthens the hull and serves as the primary working surface. ... A figurehead is a person, usually in a political role, who may hold an important title or office yet executes little actual power. ... Forecastle also spelled focsle (pronounced /f@Uks@l/) originally meant the upper deck of a sailing ship, forward of the foremast. ... The gunwale, pronounced gunnel, is the top edge of the side of a boat. ... A hull is the body or frame of a ship or boat. ... The mast of a sailing ship is a tall vertical pole which supports the sails. ... In naval architecture, a poop deck is a deck that constitutes the roof of a poop cabin built in the aft (rear) part of the superstructure of a ship. ... A rudder is a device used to steer a ship or other watercraft. ... Wheel of the French carrier Clémenceau. ... For other meanings of the term, see Stern (disambiguation). ... A tiller is a lever attached to a rudder post (american terminology) or rudder stock (english terminology) in order to provide the leverage for the helmsman to turn the rudder. ... A winch is a machine that is used to wind up a rope. ...