Said of a vessel with little stability, whether due to design or to stowage of cargo.

A vertical longitudinal center line section of a vessel.

A sailing vessel dead in the water due to lack of wind (not moving).

A fender made of granulated cork and covered with woven tarred stuff.

Are used with ejectors to convert weight of gas and/or water vapor handled to or from equivalent air.

A certificate authenticated by a recognized port authority, certifying that a ship comes from a place where there is no contagious disease, and that none of her crew was infected with such a disease.

Light, warm wind on surface of sea.

A platform and protective coaming setting high up on a mast, to accommodate the look-out aloft while the ship is at sea.

In a line parallel to the ship's keel.

The tendency in a boat to keep an upright position or to return to it when careened over.

Various statements that the U.S. government requires to be displayed on export shipments. The statements specify the authorized destinations.

To steer the boat more into the wind, thereby causing the sails to flap or luff.

Type of wrench used to tighten or loosen fire hose fittings.

A term used to describe a chemical process in which heat is released. For example, combustion is an exothermic process because heat is released. A reaction or process that produces heat; a combustion reaction.

A barge which loads material dumped into it by a dredger and discharges the cargo through the bottom.

The general preparation of a vessel to make ready for the sea in all respects.

A compartment where the crew lives.

Force per unit area, usually expressed in pounds per square inch (PSI) or BAR.

A person whose business is to act as an agent on behalf of the shipper. A freight forwarder frequently makes the booking reservation.

The portion of a valve used to guide the disc.