A strong pair of iron, steel or wooden posts on a ship's deck, around which ropes or cables are wound and held fast.

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

To drag the bottom for an anchor. Also, large oars used in small vessels to force them ahead.

Electrical power converter; converts square-wave DC current to sine-wave AC current

To transfer goods from one transportation line to another, or from one ship to another.

A figure marked on the side of merchant vessels to indicate allowed loading depths. Named after Samuel Plimsoll, English Member of Parliament and maritime reformer.

A device used to keep a line from slipping, such as a jamcleat.

A flat bottomed, blunt nosed dinghy (or small boat).

A fix taken by taking bearings of a single object over a period of time. By using the vessel's known course and speed, the location of the vessel can be found.

Alert (pep it up!).

A small buoy that is used to mark the position of an anchor. It is attached to the base or crown of an anchor and can be used to recover the anchor if it has to be cast adrift, or to trip it if it becomes wedged.

A heavy longitudinal timber placed over the keel in a ship's stern through which the propeller shaft passes.

Too heavy aloft.

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

The space between the two sides of the shell of a block in which the sheave is fitted.

Above the main deck.

A device for separating solids or suspended particles in the air before they enter the air intake of the compressor and reduce intake noise as on reciprocating compressors through a silencing chamber in the filter housing.

The penalty a seller must pay if the construction project does not meet contractual standards or deadlines.

Tassels of unraveled line, yarns, etc. which are lashed around chafe spots such as spreaders to prevent chafe on sails.

Is a pipe extending downward from the bottom of the airline to collect any condensation flow in the pipe.