A yard or pole extending the head or foot of the topsail beyond the topmast or gaff of a gaff-rigged boat

A rope ladder suspended from the side of a vessel and used for boarding.

A ladder of rope with rungs, used over the side.

A cleat designed to hold a line in place without slipping. It consists of two narrowing jaws with teeth in which the line is placed.

A charting technique in technical analysis that, among other things, indicates the range of a day's.

The distance between a rope's adjacent strands, giving a measure of the tightness of the lay. The shorter the distance, the harder the lay. When a line has been overused and the lay has become slack, it is said to be slack-jawed.

A fitting holding a boom or gaff to the mast.

A genoa jib. A large jib that overlaps the mast.

Search of a vessel, by Customs authorities, for unreported goods.

Document given by authorities certifying that inward clearance formalities have been completed.

A stream of vapor, gas or liquid coming out fast from a narrow orifice.

Strong winds concentrated within a narrow band in the atmosphere. The jet stream often "steers" surface features such as front and low pressure systems.

Japan External Trade Organization

Cargo thrown overboard in order to lighten the ship and washed ashore.

To throw goods overboard.

To cast overboard or off. To discard something as unwanted or burdensome. Goods or equipment may be jettisoned to lighten a ship in danger.

A landing wharf or pier; a dike at a river s mouth.

The effect upon the measurement of rainfall caused by the presence of the rain gauge.

On square-rigged ships, the blocks attached to those yards on which studdingsails were set.

The ring bolted to the upper end of the shank of an anchor and to which the bending shackle secures.