A precursor to the sextant. An old navigational device for checking the altitude of the sun or stars.

The area leading down from the deck to the cabin, usually with steps (ladder)

A dog or brace to hold objects rigidly in place.

When a line is pulled as tight as is can go, as when two blocks are pulled together so that no further movement is possible (also known as "Two blocked").

To clap on is to temporarily add something to an existing part.

A carrier which has a direct physical connection with, or forms a link between two or more carriers.

Foreign matter carried in the air, gas or fluid to be filtered out. Includes air borne dirt, metallic particles produced by wear of moving parts of the air compressor, rust from metal pipelines.

Large bollards affixed to the main deck near the bow of a square rigged vessel around which hawsers or anchor cables were belayed.

Old term for a heavy gale or hurricane.

A figure representing the average low tide of a region.

An inward structural failure of a filter element which can occur due to abnormally high pressure drop (differential pressure) or resistance to flow.

Said of an anchor when the cable is taut and vertical.

Equipped to assist during offshore construction and maintenance work.

A transportation company which provides service to the general public at published rates.

The time that the container was discharged (grounded) from the train.

An imaginary line drawn between the luff and leech of a sail. The chord depth is an imaginary line drawn to the deepest part of the sail from the chord. The ratio of chord depth to chord length represents the sail's draft - a high ratio indicates a full s ...

A point of sail where the boat is sailing as close to the wind (as directly into the wind) as possible; sails are pulled in tight, enabling the boat to point as high as possible to the direction the wind is coming from; Also, "beating" and "on-the-wind". ...

A block with one end permanently attached to a surface.

An anchor is said to come home when its flukes are not holding in the ground and it drags.

The compressor continuously compresses, however, when the maximum pressure is reached, the delivered air is blown off to the atmosphere instead of being fed to the receiver.