Front of a container or trailer - opposite the tail.

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

Rules for letters of credit drawn up by the Commission on Banking Technique and Practices of the International Chamber of Commerce in consultation with the banking associations of many countries. See Terms of Payment.

An inspection cover or port in an air receiver tank.

The part of a rotating element that counteracts any inherent thrust developed by the impellers.

Abbreviation for "With Particular Average."

Hoisting the ensign at 8 a.m. and down at sunset.

Is the ratio of the polytropic compression energy transferred to the gas to the actual energy transferred to the gas.

Nautical slang for the spirit of the sea, usually in the form of a sea devil. Davy Jones's Locker is the bottom of the sea, the final resting place of sunken ships, articles lost or thrown overboard, and of men buried at sea.

The number of degrees of list a vessel has. The first indication that a vessel may need to reef is when there is too great an angle of heel.

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.

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

A ton on which the shipment is freighted. If cargo is rated as weight or measure (W/M), whichever produces the highest revenue will be considered the revenue ton. Weights are based on metric tons and measures are based on cubic meters. RT=1 MT or 1 CBM.

A small crane that projects over the side of the boat to raise or lower objects (such as smaller boats) from or to the water.

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.

The condition when a perfect gas is isentropically compressed, and the gas inlet temperature and also the amount of work spent is the same for each stage.

To store a yacht away on land for the winter

A deck exposed to the wind and sea.

A propeller drawn through the water that operates a meter on the boat registering the speed and distance sailed

To haul in or bind something together in order to create more space.