Devices used between rotating and stationary parts to separate, and minimized leakage between, areas of unequal pressures.

The point at which the Sun , traveling in the Ecliptic , crosses the Equinoctial when going from South to North declination.

Same as 0.4535924277 kilograms.

Dining room facilities for officers separate from the crew and passenger dining room.

An arrangement whereby a steamship company, under rules and regulations established in the freight tariff of a given trade, accepts small packages at rates below the minimum bill of lading, and issues a parcel receipt instead of a bill of lading.

Compass error. The difference between the reading of a compass and the actual magnetic course or bearing due to errors in the compass reading. These errors can be caused by metals, magnetic fields and electrical fields near the compass. The act of checkin ...

Indicates the jib or staysail being boomed out on the opposite side of the mainsail in a following wind, giving a large amount of sail area presented to the wind. see Wing and Wing

a type of separator for removal of larger particles from an exhaust gas stream. Gas laden with particulates enters the cyclone and is directed to flow in a spiral causing the entrained particulates to fall out and collect at the bottom. The gas exits near ...

Any small collar made with spunyarn or light line to hold something in place.

Said of a vessel when unable to maneuver.

To stop, especially to stop work.

Additive that promotes the formation of a stable mixture, or emulsion, of oil and water. Common emulsifiers are: metallic soaps, certain animal and vegetable oils, and various polar compounds.

A container fitted with a solid removable roof, or with a tarpaulin roof so the container can be loaded or unloaded from the top.

Short pieces of line fastened to the sail at reef points, used for tying a reef to reduce sail area. The reef line will pass through reef cringles, which will become the new tack and clew of the reefed sail.

A single inlet compressor with the impeller or impellers mounted on a shaft supported by two bearings in a pedestal, with the driver coupled to the compressor shaft.

Old three-masted trading vessel which was square-rigged on the fore and main masts, and lateen rigged on the mizzen mast. Similar to the Caravel, but larger and more robust.

A stay leading from one mast, such as the main mast to another, such as the mizzen mast.

To change direction so as to point farther away from the wind. Also Bear Away, Bear Off or Head Down. The opposite of heading up.

Space booked by shipper or charterer on a vessel but not used

An order given to take hold of a rope and pull.