On steam vessels has responsibility for the boilers, on diesels, the evaporators and the auxiliary equipment.

Old nickname for a second mate.

Heat cannot, of itself, pass from a colder to a hotter body.

In charge of twelve to four watch. Ships navigation officer. Keeps charts (maps) up to date and monitors navigation equipment on bridge.

A port that is not directly listed in the tide tables but for which information is available as a difference from a nearby standard port.

A drawing representing the internal parts of a vessel as if she had been cut straight through, either longitudinally or athwartships. It shows the positions of the frames and their exact curvature in relation to the hull shape.

An arc of a circle in which certain types of navigational lights known as sector lights are visible.

To make fast.

To make fast; safe; the completion of a drill or exercise on board ship.

Prepare for going to sea, extra lashing on all movable objects.

U.S. Commerce Department document, "Shipper's Export Declaration."

Short period oscillation in level of enclosed, or partly enclosed, area of water when not due to the action of tide-raising forces.

(1) To bind a line with marline, cord, twine, wire, or other "small stuff" to prevent accidental opening or unraveling (2) To freeze up, as a valve.

To bind with small rope.

Bound together.

The cord, twine or other small stuff which is used to seize line.

A watertight cockpit with scuppers, drains, or bailers that remove water.

A containership which has her own crane for loading and discharging shipping containers enabling the ship to serve ports which do not have suitable lifting equipment.

A ship whose holds re shaped in such a way that the cargo levels itself.

A bulk carrier which is equipped with gear for unloading cargo.