Before the introduction of man-made fibers, much of the rope used at sea was made from manila. Made from the fibers of banana plants in the Philippines, manila did not rot when it was exposed to seawater.

Standing or running (adjustable) wire rigging that supports the mast from the stern; a wire mast support leading aft to the deck or another mast

To bring a sailing vessel head to the wind or as close to it as possible in high seas, maintaining a slight forward motion.

A sea which is traveling in the opposite direction to that of the boat

Space between the floor of holds and the bottom of the ship.

Stormy conditions, including rough, high seas and strong winds.

To bring to a sudden stop.

A place suitable for anchoring in relation to the wind, seas and bottom.

Guarantee issued by a bank to a carrier to be used in lieu of lost or misplaced original negotiable bill of lading.

A strong tropical counterclockwise revolving storm the southern hemisphere. In the northern hemisphere these storms revolve clockwise and are known as hurricanes.

International data interchange standards sponsored by the United Nations. See UN/EDIFACT.

The ability of a fluid that is insoluble in water to separate from water with which it may be mixed in the form of an emulsion.

A rope used for towing or, mooring.

In sailboat racing, to disturb the wind of a windward boat by positioning your boat a bit ahead and to leeward. If done correctly, the disturbed air hitting the windward boat will slow it down, leaving it at a distinct disadvantage and causing it to tack ...

Having a shape that that is not adversely affected by wind flowing past it.

Holes cut in a plate to make it lighter and yet not reduce its strength.

Maximum allowable working pressure. This data is found on the pressure vessel nameplate and is the maximum pressure at which the lowest set safety valve must be set (stamped).

When compressed air is forced through a submerged perforated hose or pipe. Some applications include; ice prevention, reduction of salt intrusion, underwater basting, pneumatic breakwaters and general mixing and agitation

Anti-clockwise circular motion. Left-handed ropes are coiled down in this way.

Kilo or metric ton. 1,000 Kilos or 2,204.6 pounds.