Columnar support for the steering wheel in the cockpit.

A black ball visible in all directions, displayed in the forward part of a vessel to indicate that the vessel is anchored.

Said of a seaman who has retired from sea service.

The process of desiccants being regenerated by water being driven off the desiccant. Hot air or gas passes through the desiccant bed, heating it. As a result, the partial pressure of the water vapor becomes higher than that in the regenerating air. Water ...

Cubic capacity in 'grain"

In trouble.

The whole crew.

The unloading of a container or cargo van.

A sturdy railing or elevated guard rail around the deck at the stern. also known as Pushpit

Is the ratio of actual capacity to piston displacement, stated as a percentage.

Two navigational aids separated in distance so that they can be aligned to determine that a boat lies on a certain line. Transits can be used to determine a boat's position or guide it through a channel. Also called a range.

A command to stop or cease immediately what one is doing.

The short deckhouse or main hatchway which is raised above the level of the cabin top or coachroof.

The angle between the sail and the apparent wind or the rudder or centerline and the water flow.

Applies to vessels, not to cargo, (0.2+0.02 log10V) where V is the volume in cubic meters of all enclosed spaces on the vessel.

A squally wind sometimes accompanied by rain, observed as a dark cloud stretched across the horizon.

Break horse power

A light spar set fore and aft on a boat, serving as a spread for the boat cover.

The gears that reduce engine speed to propeller speed.