The mount and housing for the compass, usually located on the wheel's pedestal.

The opening between the jib and the mainsail. Wind passing through this opening increases the pressure difference across the sides of the mainsail, helping to move the boat forward.

The rod connecting the disc to the lever on a valve.

An anchor which has become entangled with some object on the bottom, or, on weighing, has it's rode or chain wound around its stock or flukes.

Railcars grouped in a train by destination so that segments (blocks) can be uncoupled and routed to different destinations as the train moves through various junctions. Eliminates the need to break up a train and sort individual railcars at each junction.

A futures expression which refers to a range of closely allied prices at which transactions were.

Another term used to describe brokerage firms because they earn their living by charging.

On a wooden vessel, the outermost deck plank covering the gunwale. also called Covering Board

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

A rope network.

C The international temperature scale where water freezes at 0 (degrees) and boils at 100 (degrees). Also known as the centigrade scale.

To put out a mooring, hawser or line from a ship to a point of attachment outside her.

Blowdown.

Is a compression in which the temperature of a gas remains constant.

Center point of all underwater area of the hull where the hull's lateral resistance can be said to be centered.

Large ships dating back to the 17th century typically with three masts carrying rectangular sails mounted on horizontal spars called yards. A sailing-ship rig with rectangular sails set approximately at right angles to the keel line from horizontal yards.

To permanently join two pieces of rope. It will not pass through a block since it increases the diameter

A long sturdy pole fitted with a blunt hook at one end designed to catch a line when coming alongside a pier or mooring, to facilitate putting a line over a piling, recovering an object dropped overboard, or in pushing or fending off.

A deck dryer composed of a flat piece of wood shod with rubber, and a handle. Stanchions

A materials handling/storage facility used for completely unitized loads in containers and/or empty containers. Commonly referred to as CY.