Letter of credit in which the specified payment is guaranteed by the bank if all terms and conditions are met by the drawee and which cannot be revoked without joint agreement of both the buyer and the seller.

Railroad terminal where containers are received or delivered and trains loaded or discharged. Originally, trailers moved onto the rearmost flatcar via a ramp and driven into position in a technique known as "circus loading." Most modern rail facilities us ...

A sail attached to the boom at the tack and clew, but not along the foot, or a fore-and-aft sail which is set without a boom.

To mark a course on a chart.

Seaman who was born aboard a warship. As this was once considered to be one of the essentials of the perfect seaman, it has long been a complimentary term.

Small line used for whipping other light duties.

A Latin term meaning "In proportion."

Floating wreckage from a shipwreck.

Shipments loaded and sealed by shippers and not checked or verified by the carriers.

To sail as close as possible to the wind. Some boats can point better than others, sailing closer to the wind.

DC. A continuous, one directional flow of electricity.(2) A type of electricity transmission and distribution by which electricity flows in one direction through the conductor; usually relatively low voltage and high current; typically abbreviated as dc.

(1) A piece of equipment used to drive piles into the ground. (2) Name given to a ship which because of her short length, cannot ride two consecutive waves, and pitches violently into the second.

Country, island or territory the vessel visits.

Removal of a shipment from a vessel.

A verb with a variety of meanings. To round in is to haul in quickly; to round up is to bring a sailing vessel head into the wind; to round down a tackle is to overhaul it; to round a mark is to pass a racing mark.

The pressure which overcomes the total resistances in a system. It includes all losses as well as useful work.

A term applied to a bracket supporting the after end of the propeller shaft and the propeller.

Person authorized by transportation lines to publish tariffs or rates, rules, and regulations for their account.

Heat exchangers for removing the heat of compression between stages of a compressor.

Micrometer or one millionth of a meter; micron is sometimes represented in filtration by the Greek letter