The angle a celestial body makes with the horizon.

The title of a commander of a fleet or a subdivision of it.

To hold the mainsail or jib off to the side to cause the wind to blow onto the backside of the sail, used to slow a boat

A hole in a tank, boiler or compartment on a ship, designed to allow the passage of a man for examination, cleaning, and repairs.

An act beyond human control, such as lightning, flood or earthquake. – An unpredictable situation which is beyond the power of man. A natural event, not preventable by any human power, such as flood, storms, or lighting usually quoted as “force majeure” ...

Placing a port on a vessel's itinerary because the volume of cargo offered at that port justifies the cost of routing the vessel.

To remove the ballast from the a ship.

A term from Latin meaning, "according to value."

The reply to an officer's order signifying that he is understood and will be obeyed (I understand).

A letter of credit that contains a limited engagement clause which states that the issuing bank promises to pay the beneficiary upon presentation of the required documents at its counters or the counters of the named bank.

The act if striking or collision of a moving vessel against a stationary object.

An instrument for measuring electrical current in amperes.

A pallet so designed that the forks of a fork lift truck can be inserted from two sides only.

The total pressure measured from absolute zero ( i.e., from an absolute vacuum).

A notice sent to a local or foreign buyer advising that shipment has gone forward and containing details of packing, routing, etc. A copy of the invoice is often enclosed and, if desired, a copy of the bill of lading.

A time draft (or bill of exchange) that the drawee (payer) has accepted and is unconditionally obligated to pay at maturity.- Broadly speaking, any agreement to purchase goods under specified terms.

Seaman's call to attract attention.

Bunker adjustment factor

The outboard hulls of a trimaran.

a filter medium primarily intended to hold soluble and insoluble contaminants on its surface by molecular adhesion.