A device used to keep a person afloat. Also called a life preserver, life vest, PFD or personal floatation device.

A penalty charge against shippers or consignees for delaying carrier's equipment beyond allowed time. Demurrage applies to cargo; detention applies to equipment. See Per Diem.

Is the weight of a given volume of gas, usually expressed in lb / cu ft at SPT condition.

A pointed stern, such as those on a canoe.

Pounds.

Cloths hung on the lee side of a berth to keep one from rolling out of their bunk

A colorless odorless very poisonous gas formed by the incomplete burning of carbon. Found in some ambient air conditions.

One of the 4 cardinal compass points. North is the direction toward the North Pole and is at 0

Machines in which air or gas is compressed by the mechanical action of rotating vanes or impellers imparting velocity and pressure to the flowing medium. (Raise the pressure of the air by converting the energy from the velocity of the air to pressure.)

Rope made of the fibers of the hemp plant and used for small stuff or less than 24 thread (1.75 inch circumference). (Rope is measured by circumference, wire by diameter.)

A docking line going at approximately a right angle from the boat to the dock, preventing movement away from the dock.

Change direction so as to point closer to where the wind is coming from. The opposite of falling off.

A phrase preceding the signature of a drawer or endorser of a negotiable instrument; signifies that the instrument is passed onto subsequent holders without any liability to the endorser in the event of nonpayment or nondelivery.

To fake line back and forth on deck.

Method of payment for goods in which documents transferring title are given the buyer upon payment of cash to an intermediary acting for the seller, usually a commission house.

A unit of volume. A US gallon has 231 cubic inches or 3,785 liters.

Abbreviation for "Electronic Data Interface." Generic term for transmission of transactional data between computer systems. EDI is typically via a batched transmission, usually conforming to consistent standards.

The tide with the least variation in water level, occurring when the moon is one quarter and three quarters full. The lowest high tide and the highest low tide occur at neap tide. The opposite is the spring tide.

Contraction for Empty Repositioning. The movement of empty containers.

To haul in.