Freight that has not been called for or picked up by the consignee or owner.

United Nations Convention on the Law Of the Sea

United Nations Conference on Trade and Development

Having no sails up. In heavy weather the windage of the mast and other spars can still be enough to move the boat.

A warning from aloft (heads up).

Said of anchor when it is under ship's forefoot, and cable is nearly up and down.

On the lee side of an object, protected from the wind.

To charge less than the proper amount.

Corrosion that occurs under organic films in the form of randomly distributed threadlike filaments or spots. In many cases this is identical to filiform corrosion.

A house built into the ground or slope of a hill, or which has most or all exterior surfaces covered with earth.

Insufficient number of crew; shorthanded.

Strong offshore current extending to the shore.

A subsurface current in a surf.

Not attached to the shore or the ground in any manner. Usually, but not necessarily, moving through or making way through the water.

Said of a vessel when not at anchor, nor made fast to the shore, or aground.

Thread - Unified national fine.

To unfold or unroll a sail. The opposite of furl.

A solar thermal collector that has an absorber that does not have a glazed covering. Solar swimming pool heater systems usually use unglazed collectors because they circulate relatively large volumes of water through the collector and capture nearly 80 pe ...

See principal stress (normal).

(1) A type of corrosion attack (deterioration) uniformly distributed over metal surface. (2) Corrosion that proceeds at approximately the same rate over a metal surface. Also called general corrosion.