A bulkhead that will not let water pass from one side of it to the other.

The bearing of an object after magnetic variation has been considered, but without compensation for magnetic deviation.

The windward side (from where the wind is blowing).

Those frames of a ship's hull which are equal in area, one forward and one aft of the ship's center of gravity.

To let out a line or sail slowly; to slacken or relieve tension on a line; to take pressure off.

Cargo which has been booked but does not arrive in time to be loaded before the vessel sails. See also "Windy Booking."

Ropes hung and used for assistance in ascending and descending.

Incapable of being mixed without separation phases. Water and petroleum oil are immiscible under most conditions, although they can be made miscible with the addition of an emulsifier.

Bulk Carrier or Motorcar Carrier

Said of a lighthouse not tended.

A sailing ship with three to five masts, all of them square-rigged except the after mast, which is fore-and-aft rigged.

A pin placed through the head of a rudder to prevent it from being lost.

Distance at sea is measured in nautical miles, which are about 6067.12 feet, 1.15 statute miles or exactly 1852 meters. Nautical miles have the unique property that a minute of latitude is equal to one nautical mile - Measurement of speed is done in knots ...

Slang for getting married. A splice joins two lines together permanently.

Circular iron band used to hold a bowsprit on the stem of a sailing vessel.

Dining room facilities and kitchen for crew separate from the passenger dining room and kitchen.

A navigational aid with a light that flashes about once per second.

Transaction or interchange that occurs at the time a container leaves a rail or water terminal.

Permanent pip iron ballast specially shaped and placed along each side of keelson. Name is sometimes given to any iron ballast.

The country in which the vessel is registered.