The internal duct and filter medium support

The place at which a shipment is received by a carrier from the shipper.

The opening between the jib and the mainsail. Wind passing through this opening increases the pressure difference across the sides of the mainsail, helping to move the boat forward.

Small struts or spars extending toward the sides from one or more places along the mast. The shrouds cross the end of the spreaders, enabling the shrouds to better support the mast. Also known as crosstrees in older vessels.

Another term for a marine railway.

Blowdown.

The quantity of heat required to raise the temperature of a unit weight of a substance by one degree.

elegant, luxurious. Originally an acronym for Port Over Starboard Home. Created by British travelers to India or Australia, describing the preferred accommodations aboard ship, which lessened effects of the tropical sun on the cabins during the voyage.

Heavy-weather practice of pouring oil on the sea so as to form a film on the surface, thus preventing the seas from breaking. To smooth out some difficulty.

Any rope or line.

A power or sailing boat used by pi-lots (men who have local knowledge of navigation hazards of ports).

To put out a mooring, hawser or line from a ship to a point of attachment outside her.

A sudden and violent gust of wind.

The rod connecting the disc to the lever on a valve.

The line of longitude 180 degrees opposite Greenwich, England, located in the Pacific that marks the date change

On a wooden vessel, the outermost deck plank covering the gunwale. also called Covering Board

To permanently join two pieces of rope. It will not pass through a block since it increases the diameter

Railcars grouped in a train by destination so that segments (blocks) can be uncoupled and routed to different destinations as the train moves through various junctions. Eliminates the need to break up a train and sort individual railcars at each junction.

Is a compression in which the temperature of a gas remains constant.

The ship's funnel or smokestack.