Seaward, a safe distance from shore; To keep an offing is to keep a safe distance away from the coast because of navigational dangers, fog, or other hazards.

Letters, numbers, and other symbols placed on cargo packages to facilitate identification. Also known as marks.

Navy Operational Global Atmospheric Prediction System. A global meteorological model operated by the Department of Defense.

A type of term assurance in which, following the death of the life assured, instalments, rather than.

Change direction so as to point closer to where the wind is coming from. The opposite of falling off.

Itemized list of commodities with marks/numbers but no cost values indicated.

Thermosyphon systems use a separate storage tank located above the collector. Liquid warmed in the collector rises naturally above the collector, where it is kept until it is needed. The liquid can be either water or a glycol solution. If the fluid is wat ...

Line led forward, from quarter of a vessel, to prevent her from moving astern.

A device which automatically records the water equivalent of snow on a given surface as a function of time. A small sample of a radioactive salt is placed in the ground in a shielded collimator which directs a beam of radioactive particles upwards. A Geig ...

An instrument for measuring radiant energy. See actinometer, Dines radiometer, photometer, Tulipian radiometer.

Family income assurance in which the assured may, if he or she chooses, increase premiums in line.

A card marked in degrees and having sightings on it that is used to take bearings relative to the ship, rather than magnetic bearings as taken with a compass.

Delivered Ex Ship

Twenty Foot (Container) Equivalent

A very strong sail used in stormy weather. It is loose footed, being attached to the mast, but not the boom. This helps prevent boarding waves from damaging the sail or the rigging.

Same as wave pole.

A floating log

The products of all combustion processes formed by the combination of nitrogen and oxygen.

An option which gives the holder the right but not the obligation to purchase a stated quantity of.

A security such as a bond or note with specified interest, representing a loan which is repayable at.