The strake next to the keel (running fore and aft).

A vertical post usually employed as a support - Also called a Sampson post

To let out a line

The water line when the ship rides empty.

(See WATCH.)

A small pier that projects from a larger pier.

Toward the rear (stern) of the boat. Behind.

Document given by authorities certifying that inward clearance formalities have been completed.

Also known as a junction buoy. A red and green horizontally striped buoy used in the United States to mark the separation of a channel into two channels. The preferred channel is indicated by the color of the uppermost stripe. Red on top indicates that th ...

A large, cautious turn made to approach a gangway or to come alongside a vessel or jetty in a boat.

Is the saturation pressure at the critical temperature. It is the highest vapor pressure that the liquid can exert.

The situation of the sails when the wind presses their surfaces against the mast, and tends to force the vessel astern.

The curvature of an object such as a sail, keel or deck. Usually used when referring to an objects aerodynamic or hydrodynamic properties. The weather decks of ships are rounded up or arched in an athwartship direction for the purpose of draining any wate ...

On or within the ship

U.S. Customs' "Automated Broker Interface," by which brokers file importers' entries electronically.

Timbers used to support bottom of ship while it is under construction.

Is one that does not attack normal materials of construction.

In charge of union business for unlicensed personnel. Handles grievances.

An opening in the bulwark or rail for discharging large quantities of water, when thrown by the sea upon the ship's deck. Some ships have "swing gates" which allow water to drain off but which automatically close from the pressure of sea water.

A reaching headsail that has a big draft and is usually light-weight