A single block such as a snatch block used as a fairlead to bring a line in a more favorable direction.

To receive goods from a foreign country.

At right angles to the centerline of the boat; rowboat seats are generally athwart ships.

Completely filled with water.

A restrictive tube used in a refrigeration system which restricts the flow of freon and allows pressure to build on one side and suction on the other. It is located between the condenser and the evaporator.

Nautical equivalent of ceiling

A light line used for hauling over a heavier rope or cable.

The official who is in charge of a harbor, enforcing all its applicable regulations.

A small vessel fitted for towing.

Polaris, the North Star, is visible in the northern hemisphere and indicates the direction of north. In the southern hemisphere the Southern Cross is used to find the direction of south.

A unit of volume. A US gallon has 231 cubic inches or 3,785 liters.

Industry-related: A point at which freight moving from one territory to another is interchanged between transportation lines.

Ties used to tie up the sails when they are furled to the boom or yards.

Wind coming from the north.

Is the ratio of the thermodynamic work requirement in the cylinder to actual brake horsepower requirement.

A phrase preceding the signature of a drawer or endorser of a negotiable instrument; signifies that the instrument is passed onto subsequent holders without any liability to the endorser in the event of nonpayment or nondelivery.

Sundays, holidays excluded

To make life onboard for the crew as uncomfortable as possible, by keeping them at work at all hours, often unnecessarily.

One who earns his living by service at sea.

U.S. Commerce Department document, "Shipper's Export Declaration."