A colorless odorless very poisonous gas formed by the incomplete burning of carbon. Found in some ambient air conditions.

Abbreviation for "Electronic Data Interface." Generic term for transmission of transactional data between computer systems. EDI is typically via a batched transmission, usually conforming to consistent standards.

Sailing upwind so close to the wind that the forward edge of the sail is stalling or luffing, reducing the power generated by the sail and the angle of heel. Also known as pinching.

Rope made of the fibers of the hemp plant and used for small stuff or less than 24 thread (1.75 inch circumference). (Rope is measured by circumference, wire by diameter.)

A reversible propeller mounted in a tunnel running through the ship/s hull to give movement athwart-ships.

American Shipbrokers Association

Seaward, a safe distance from shore; To keep an offing is to keep a safe distance away from the coast because of navigational dangers, fog, or other hazards.

A location that is not sheltered from the wind and seas. An open location would not make a good anchorage.

A docking line going at approximately a right angle from the boat to the dock, preventing movement away from the dock.

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

(1) Term describing the status of seamen, corresponding to rank in the case of officers. (2) A method of measuring a yacht's expected performance relative to another yacht while racing. Over the years many formulas have been experimented with, in order to ...

Change direction so as to point closer to where the wind is coming from. The opposite of falling off.

An ornamental carved and painted figure on the stem of the vessel.

A heavy colorless gas that does not support combustion but is formed by the combustion and decomposition of organic substances. Found in some ambient air conditions.

A plot of expected operating characteristics (e.g.., discharge pressure versus inlet capacity, shaft horsepower versus inlet capacity).

Above sea level

Contraction for Empty Repositioning. The movement of empty containers.

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.

A beam which supports a deck.