When the wind pushes on the wrong side of the sail, causing it to be pushed away from the wind. If the lines holding the sail in place are not released, the boat could become hard to control and heel excessively.

Steel disc, that is dogged down over a porthole to secure against breakage of the glass and to prevent light from showing through.

Small boat carried on the vessel and used in case of emergency.

Cargo discharged in excess of the quantity on the manifest.

A restrictive tube used in a refrigeration system which restricts the flow of freon and allows pressure to build on one side and suction on the other. It is located between the condenser and the evaporator.

A soft, cylindrical fabric bag for clothes and personal possessions

Owners or operators of vessels providing transportation to shippers. The term is also used to refer to the vessels.

A signboard attached to a daybeacon to convey navigational information presenting one of several standard shapes (square, triangle, rectangle) and colors (red, green, orange, yellow, or black). Daymarks usually have reflective material indicating the sha ...

Said of cable when it extends vertically and taut from anchor to hawsepipe.

A vessel designed for the transport of people or goods from one place to another on a regular schedule.

Use of individual carrier/rail equipment through a central agency for the benefit of carriers and shippers.

Succession of long and unbroken waves that are not due to meteorological conditions in the vicinity. Generally due to wind or storms at a distance from the position.

A device that removes solid contaminants, such as dirt or metal particles, from a liquid or gas (air is a gas), or that separates one liquid from another, or a liquid from a gas. The term filter describes the complete unit ... housing, filter element, int ...

A container designed with openings in the side and/or end walls to permit the ingress of outside air when the doors are closed.

The fitting which connects the boom to the mast.

To keep a weather eye is to be on the alert (heads up).

Cotton yarn used for cleaning purposes.

Weight of the goods alone without any immediate wrappings, e.g., the weight of the contents of a tin can without the weight of the can.

The sudden heave of the ship.

A short-sea vessel which transfers cargo between a central "hub" port and smaller "spoke" ports.