A short-sea vessel which transfers cargo between a central "hub" port and smaller "spoke" ports.

Maintaining position over the ground when underway in a river or tidal stream.

Said to weigh.

An instrument that measures atmospheric pressure in inches or millibars of mercury

In general, a person employed in a sea-going vessel. In some cases, applied to a seaman who works on deck.

Stout line or cable fore and aft around the deck of the boat to keep crew from falling overboard.

Upward displacing swells.

The overlapping of wooden planks, used to form the outer surface of a boat's hull.

The energy in foot pounds required to compress adiabatically and to deliver one pound of a given gas from one pressure level to another.

Name given to the lowest deck in a ship.

Is one in which the space occupied by the mixture is saturated with water vapor at the mixture temperature.

The conversion of mechanical, electrical or magnetic energy into heat.

Bell used for striking the half hours of each watch.

A sliding fitting that attaches to a track allowing for the adjustment of blocks or other devices attached to the car.

A solid absorption agent used in deliquescent type dryers.

To turn the boat head-to-wind so as to go about on the opposite tack

A pointed stern, such as those on a canoe.

Dangerously steep and breaking seas due to opposing currents and wind in a shallow area.

An L/C guaranteed by both the issuing and advising banks of payment so long as seller's documents are in order, and the L/C terms are met. Only applied to irrevocable L/C's. The confirming bank assumes the credit risk of the issuing bank.

Sort of large pulley with sheave and steel block found on a derrick