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

To haul in.

Numbers of large pieces of floating ice that have come together and lie more or less in contact.

A Customs document permitting the holder to temporarily carry or send merchandise into certain foreign countries (for display, demonstration or similar purposes) without paying duties or posting bonds. Any of various Customs documents required for crossin ...

Water of sufficient depth to allow a boat to travel through it.

A boat that is comfortable in rough weather.

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 distance a boat can move around its anchor. Swinging room is important because if other boats or objects are within a boat's swinging circle they may collide.

A stationary, spirally shaped passage that converts velocity head to pressure.

Letters, numbers, and other symbols placed on cargo packages to facilitate identification. Also known as marks.

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 heavy colorless gas that does not support combustion but is formed by the combustion and decomposition of organic substances. Found in some ambient air conditions.

Seaman's scornful name for any lead of a rope by which effort is lost or wasted.

Line led forward, from quarter of a vessel, to prevent her from moving astern.

Above sea level

Seaward, a safe distance from shore; To keep an offing is to keep a safe distance away from the coast because of navigational dangers, fog, or other hazards.

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.

The lines that lead from the clew of the jib to the cockpit and are used to control the jib.

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.)