Swing of the boom from one side of the ship to the other when the tack is changed.

Long bars or bolts with a padlock on the end, on which iron shackles could slide, which were used on board ship to confine the legs of prisoners.

Loss of effective propeller thrust caused by the blades cutting across the column of water sucked along by the propeller instead of working in it. Can also lead to heavy vibration of the vessel.

A closed rail freight car.

A synthetic rubber frequently used for vessel and liquid filter element gasket.

To ascertain the proper course to be steered to make the desired point or port. Shark's mouth

A bridge that can be raised vertically to allow boats to pass underneath.

(1) A knot used to secure a line to another object such as a ring or cylindrical object or to another line; (2) Common term for an enlistment.

National Electrical Manufacturers Association.

Pipe lines to a compartment for smothering a fire by steam or by a chemical.

To bind together in order to increase tension or to prevent from blowing loose.

A trailer or semi-trailer with no sides and with the floor of the unit close to the ground.

Complementary equipment for terminal and over the road handling containers.

A buoy secured to a permanent anchor sunk deeply into the bottom.

Crew store managed by crew members offering everything from snacks to toiletries. Originally the name given to clothing that was issued to seamen.

A transportation arrangement in which truck trailers with their loads are moved by train to a destination. Also known as Rail Pigs.

Lloyds open form

Space booked by shipper or charterer on a vessel but not used

The passing of several turns of line across the jaw of a hook to prevent something on the hook, such as an eye or a line, from jumping clear.

Sailor's slang for anchor.