The amount by which magnetic variation changes up or down each year in a particular area. The annual increase or decrease is printed in the compass roses on each chart and may make a significant difference over a number of years.

Itemized list of commodities with marks/numbers but no cost values indicated.

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

The positioning and shape of the sails to the wind; To sheet in or out the sails for the most optimal performance and speed

A large sail that is a cross between a spinnaker and a genoa. Hoisted without a pole, the tack is attached at the bottom of the headstay.

Narrow triangular sail set on a long yard or spar, the forward end of which is hauled down so that it sets obliquely on the mast with a high peak.

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

A crack or hole that accidentally admits a gas or lets it escape.

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.

Sort of large pulley with sheave and steel block found on a derrick

A pointed stern, such as those on a canoe.

An assigned area in which containers are prepared for loading into a vessel, train, truck, or airplane or are stacked immediately after discharge from the vessel, train, truck, or airplane.

The adjustment of the standing rigging, the sails and the hull to balance the boat for optimum performance.

One of the 4 cardinal compass points. North is the direction toward the North Pole and is at 0

Small boat similar to and including jetskis

To leave port.

To repeat an order for information to the crew.

To fake line back and forth on deck.

To make secure

Hoist or haul in the anchor.