Selection from the Nautical Dictionary
The wires holding the mast at the sides.
In the middle of the boat.
Pulley wheel over which a rope passes.
A single-masted craft with a mainsail and one sail forward of the mast.
Tiller or other steering gear.
A three-hulled boat.
In a very strong wind it is possible to be propelled by the force of the wind on only the mast and the boom. To sail in such a way is called ‘bare poles’.
Permanent anchorage. It consists of a heavy weight (or anchor), a chain of a certain length and a buoy. Mooring is also often used for piers, instead of pilings.
Change tack to bring wind to the other side.