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.

To wrap a small line around another.

To continue sailing under the same canvas despite the worsening of the wind.

Vessel contract where charterers take over all responsibility for the operation of the vessel and expenses for a certain period of time.

(1) Order to men at the mast to extend themselves at intervals along a yard. (2) To keep a vessel at a certain place until a specified time has elapsed.

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

Abbreviation for "Government Bill of Lading."

Small boat similar to and including jetskis

The general name for ropes, blocks and tackles, tools, etc. (things).

To remain nearly alongside another vessel.

The amount of work done on or by a system is equal to the amount of energy transferred to or from the system.

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.

The ability of a non-water-soluble fluid to form an emulsion with water.

Sailing beyond a racing mark or buoy whereby you sail a greater distance

To attain headway (to get going or pick up speed).

A pointed stern, such as those on a canoe.

An officer who attends to the berthing, etc., of ships in a harbor.

A windlass or capstan drum.

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

A propeller that can have the pitch of its blade changed to reduce drag when not in use.