Contraction for "Shipper's Export Declaration."

The upward curvature of the keel towards the bow and stern.

A condition of filter element loading in which contaminant spans the space between adjacent sections of a filter element, thus blocking a portion of the useful filtration.

A material (such as oil) used between moving parts of machinery to make the surfaces slippery and reduce friction.

Thin plates attached to the exterior of the hull to deaden any rolling.

On larger sailing vessels, the space between the foremast and mainmast where spare spars were stored.

A type of journal bearing in centrifugal air compressors.

The forward part of the bow which overhangs the keel.

A bridge that swings away from the waterway so that boats may pass beside it.

A waybill covering two or more consignments of freight.

A method of signaling and communicating using two flags held in position by the signaler, the positions of the flags denoting the meaning.

Bread that was supplied to ships before bakeries were introduced on board.

A monetary allowance to the customer for picking up or delivering at a point other than the destination shown on the bill of lading. This provision is covered by tariff publication.

To stow or secure in a safe place. A top-mast is housed by lowering it and securing it to a lowermast.

A sail having battens that run the full horizontal length of the sail.

A knot widely used when making a boat fast to a post or bollard.

Light rope secured to a buoy to hold vessel while stronger moorings are attached.

Green and red lights on the starboard and port sides of the boat required for navigation at night. Each light is supposed to be visible through an arc of 112.5

Are of two kinds: First, those built in permanently and part of the ship's structure, used for the reception of water ballast, fuel, oil, or liquid cargo; second, those constructed specially and removable if necessary. These vary greatly in size and shape ...

The portion of the flow stream which has already passed through the system or the portion of the system located after a filter or separator/filter.