Abbreviation for "Not Otherwise Indexed."

A manmade waterway used to connect bodies of water that do not connect naturally. Canals use locks to raise and lower boats when connecting bodies of water that have different water levels.

The fitting which connects the boom to the mast.

An agreement to hold a carrier harmless with regard to a liability.

A large foresail which extends aft behind the mast.

To store a yacht away on land for the winter

A propeller drawn through the water that operates a meter on the boat registering the speed and distance sailed

Sailing with the tiller over to leeward by force of the wind

Specially designed for the transport of condensed (liquefied) gases. The most important gases are: ammonia, ethylene, LNG (Liquefied Natural Gas), which consists mainly of methane, and is cooled to a temperature of minus 163 degrees Celcius, and LPG (Liqu ...

A small local current usually caused by tidal streams as they ebb and flow around or against obstructions.

A device that removes solid contaminants, such as dirt or metal particles, from a liquid or gas (air is a gas), or that separates one liquid from another, or a liquid from a gas. The term filter describes the complete unit ... housing, filter element, int ...

A wearable device used to keep a person afloat. Also called a life jacket, life preserver, PFD or personal floatation device.

To keep a weather eye is to be on the alert (heads up).

The U.S. government does not issue certificates of free sale. However, the Food and Drug Administration, Silver Spring, Maryland, will issue, upon request, a letter of comment to the U.S. manufacturers whose products are subject to the Federal Food, Drug ...

One of the large square openings in the deck of a ship through which freight is hoisted in or out, and access is had to the hold.

A short piece of rope secured in the bow of a small boat used for making her fast.

The most common type of sail used today, a triangle-shaped mainsail defined by the mast and one horizontal boom perpendicular to the mast.

The inside center strand of rope.

Said of wind when exactly ahead; and of another vessel when her fore and aft line coincides with observer's line of sight.

Small staysail located between the foremast and mainmast.