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.

Inlet and outlet connections are located at the same level on opposite sides of the filter or other device installed on the pipeline.

Sails that are not properly arranged for the point of sail that the boat is on. The sails may be luffing or have improper sail shape, or the boat may be heeling too much. These conditions will slow the boat down.

A large, swelling wave. To surge a rope or cable, is to slack it up suddenly where it renders round a pin, or round the windlass or capstan.urge ho! The notice given when a cable is to be surged.

The vertical pole or spar that supports the boom and sails. a mast on a mechanically propelled vessel holds electronics antennas, lights, etc.

An object bears so and so, when it is in such a direction from the person looking. To bear down upon a vessel, is to approach her from the windward.To bear up, is to put the helm up and keep a vessel off from her course, and move her to leeward.To bear aw ...

Direction or bearing of an object relative to a boat's heading.

Same as "grab rope" (rope).

A schedule of all ports to be visited on a ship's cruise, with dates of arrival and departure and the local agents' names and addresses

Man employed in unloading ships in harbour, or in taking a ship from one port to another. Paid "lump" sum for services.

A comparison of a carrier's operating expense with its net sales. The most general measure of operating efficiency.

The ratio of the indicated power to shaft input.

Heat exchangers for raising the temperature of compressed air to increase its volume.

Is the temperature at the inlet flange of the compressor.

Iron or wood pin fitted into racks, around which lines can be belayed or secured.

A unit of work, being the work done in one hour at the rate of 1,000 watts.

40 cubic feet.

Error that can be introduced when not reading an instrument, such as a compass, directly from its front, due to the separation of the indicator and the scale being read.

A structural failure of the filter medium due to flexing caused by cyclic differential pressure.

Said of a vessel when caught between ice on both sides.