A small free-moving submersible designed for exploring the ocean depths.

Said to weigh.

Pockets in a sail where battens can be placed to stiffen the sail.

A unit of 1,000 bars of pressure.

The foremost sail; a triangular shaped foresail forward of the foremast.

A lit navigational aid such as a lighthouse that can be used at night or in poor visibility.

A list of navigational lights arranged in geographical order, giving the position and characteristics.

A vessel designed for the transport of people or goods from one place to another on a regular schedule.

Gallons per minute

A small tapering flag, which can be used for identification or communication.

Carefully (watch what you're doing).

The total rate from the point of origin to final destination.

(1) A term signifying an inclination of an object from a perpendicular; to turn anything so that it does not stand perpendicularly or square to an object. (2) Those timbers in a ship near the bow or stern which are sharply angled from the keel. (3) The op ...

When the sheer curves down towards the bow and stern.

Said of anchor when it is under ship's forefoot, and cable is nearly up and down.

A boat owner's private pennant.

Nickname for a ship's cooper.

A naval rank next below that of admiral.

The highest level of cube utilization that can be achieved when loading cargo into a container.

Upward displacing swells.