A closed rail freight car.

Said of a vessel when forced to heave to or lie at anchor due to fog.

A measurement. Parts per billion

A knot formed by taking the strands of the end of a line and tucking them over and under each other to prevent them from unraveling.

All naval officers with the rank of rear admiral (or its equivalent) and above.

A book with a record of every occurrence and incident concerning the ship.

A schooner with a square rigged sail on the forward mast.

The gauge pressure at which a safety valve visibly and audibly opens or at setting which a relief valve discharges an unbroken stream of liquid.

Of a system (or part thereof) is its condition at an instant of time as described or measured by its properties.

Still, seaworthy, able.

Straps to hook your feet under in cockpit when hiking out.

A group of whales.

An adiabatic compression with no increase in entropy; a reversible-adiabatic compression.

Allows foreign merchandise arriving at one port to be transported in bond through the U.S. to be exported from another port, without paying duty.

GMT for short. Greenwich Meridian Time, also known as Universal Time or Zulu time. A time standard that is not affected by time zones or seasons. It is the time used by navigators in celestial navigation.

The headings of a sailboat in relation to the wind, i.e., upwind, close reach, reach, broad reach, downwind.

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.

An old expression meaning heartily or quickly.

The forward part of the bow which overhangs the keel.

A very high wind. Also called "Snotter"