The physical or mechanical process of separating insoluble particulate matter from a fluid, such as air or liquid, by passing the fluid through a filter medium that will not allow the particulate to pass through it.

A card marked in degrees and having sightings on it that is used to take bearings relative to the ship, rather than magnetic bearings as taken with a compass.

The transaction or interchange that occurs at the time a container is received by a rail terminal or water port from another carrier.

A rope attached to the clew of the foresail and rove through a block on the swinging boom. Used for guying the clews out when before the wind.

A colorless odorless very poisonous gas formed by the incomplete burning of carbon. Found in some ambient air conditions.

A board with cleats, forming a bridge reaching from a gangway of a vessel to the wharf.

An angle or channel from deck beam to shell frame taking the place of a bracket.

A party named in an instrument as the beneficiary of the funds. Under letters of credit, the payee is either the drawer of the draft or a bank.

One of the 4 cardinal compass points. North is the direction toward the North Pole and is at 0

At right angles to the centerline of the boat; rowboat seats are generally athwart ships.

Water washing over; the situation of an object when almost submerged.

The permitted increase in pressure developed after the valve has opened. Usually expressed in percentage, ie.; 3% accumulation (A.S.M.E. Code, Section I). Flows through safety/relief valves are officially determined at these overpressure conditions.

Method of payment for goods in which documents transferring title are given the buyer upon payment of cash to an intermediary acting for the seller, usually a commission house.

Ship's boat kept ready for immediate lowering while at sea. When used for life-saving, it was called an "accident boat" or lifeboat.

A stick with a blade in the end of it used to propel a small boat through the water; The act of using a paddle to propel a boat.

Freight charges paid by the consignor (shipper) prior to the release of the bills of lading by the carrier.

Sailing upwind so close to the wind that the forward edge of the sail is stalling or luffing, reducing the power generated by the sail and the angle of heel. Also known as pinching.

An officer who attends to the berthing, etc., of ships in a harbor.

Openings in the bottom or transom of a boat to drain water when sailing.

A person inexperienced with or uncomfortable around boats.