That part of a shaft or axle that rotates or angularly oscillates in or against a bearing or about which a bearing rotates or angularly oscillates.

Most ocean freight is billed on the basis of weight or measurement tons (W/M). Weight tons can be expressed in short tons of 2000 pounds, long tons of 2240 pounds or metric tons of 1000 kilos (2204.62 pounds). Measurement tons are usually expressed as car ...

A depth measuring device.

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

Official terminology for life jacket. When properly used a PFD will support a person in the water. Also called a life jacket, life preserver or life vest.

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

In sailing, to be lifted by a wind shift that allows your boat to be lifted closer to the wind where by it allows you to sail a shorter distance to the next mark, buoy or finish line

Abbreviation for "With Particular Average."

Alternatively letting the sails draw, then spilling wind so as to keep a vessel more or less in one place until space is available, marking time.

A gauge that measures air flow as a percentage of capacity, used in rotary screw compressors as an estimator during modulation controls.

Secure hatches and loose objects both within the hull and on deck.

A law of chemistry and physics: the rate of diffusion of one substance in another is proportional to the negative gradient of the concentration of the first substance.

Small staysail located between the foremast and mainmast.

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

Cargo discharged in excess of the quantity on the manifest.

Any person or entity who, in a contract of carriage, undertakes to perform or to procure the performance of carriage by rail, road, sea, air, inland waterway or by a combination of such modes.

A party named in an instrument as the beneficiary of the funds. Under letters of credit, the payee is either the drawer of the draft or a bank.

A container fitted with a means of forced air ventilation.

A stationary vessel carrying a light used for navigation, serving the same purpose as a lighthouse.

Is the ratio of the computed isentropic temperature rise to the measured total temperature rise during compression.