The ratio of the actual water-vapor partial pressure to its saturation pressure at the same temperature. (considered only with atmospheric air).

A dinghy or raft that can be inflated for use or deflated for easy stowage.

The document containing all particulars relating to the terms of agreement between the Master of the vessel and the crew. Sometimes called ship's articles, shipping articles.

A method of moving a boat with oars. The person rowing the boat faces backwards, bringing the blade of the oars out of the water and toward the bow of the boat. They then pull the oars through the water toward the stern of the boat, moving the boat forwar ...

(1) The transverse measurement of a boat at its widest point. Also called breadth. (2) One of the transverse members of a ship's frames on which the decks are laid.

A term commonly used in connection with a bill of lading. It involves the transfer of rights, title and interest in order to assign goods by endorsing the bill of lading.

Anchor is off the sea bottom when being heaved in .

: Regular ship shaped vessel, production ship. Positioned by anchors or dynamic positioning. Has its own propulsion machinery.

Entire weight of goods, packaging and freight car or container, ready for shipment. Generally, 80,000 pounds maximum container, cargo and tractor for highway transport.

To capsize.

Dispute Settlement Understanding

To let go.

The way a boats spars and sails are arranged. To rig a vessel is to fit her with masts, spars, sails and running and standing rigging; term is also used to mean the setting up a device, e.g., to rig a lifeline, a tackle, etc

A course steered by the compass that has been corrected for variation and deviation

An anchor that is designed to bury itself into the ground by use of its plow shape. Also called a plow anchor.

see Bream

Two short pieces of timber fixed horizontally fore and aft on each side of the lower masthead of a square rigged vessel and used to support the topmast, the lower crosstrees, and the top.

A publication predicting the time and height of high tide and low tide.

Wooden swells on each side of the after end of a boom, having sheaves through which to lead the leech reefing pendants.

A sound signal device (not necessarily mechanically operated).