The last part of a rope or last link in an anchor chain.

A common measurement of the internal volume of a ship with certain spaces excluded. One ton equals 100 cubic feet; the total of all the enclosed spaces within a ship expressed in tons each of which is equivalent to 100 cubic feet.

A sudden squall of wind accompanied by lightning.

An old naval saying to indicate those young men who, through birth or connection, were able to enter the Royal Navy without examination. Their subsequent promotion was assured.

Arrangements with a carrier for the acceptance and carriage of freight; i.e., a space reservation.

Is the temperature at which oil begins to flow under prescribed conditions.

A valve which enables pressure to be reduced, or kept constant at a desired level.

The senior engineer officer responsible for the satisfactory working and upkeep of the main and auxiliary machinery and boiler plant on board ship.

The point of equilibrium of the total weight of a containership, truck, train or a piece of cargo.

A wooden wedge fitting into a drainage hole in the bottom of a boat for the purpose of draining the boat when she is out of water.

A soft, black, mayonnaise-like deposit which is typically an emulsion of oil, water, and oil insolubles.

Blocks of wood made to fit in the hawse-holes, or holes in the half-ports, when at sea. Those in the hawse-holes are sometimes called hawse-blocks.

A board that can be raised and lowered by pivoting in a watertight box called the trunk or well to increase the draft and lateral area of the hull, preventing the boat from sliding sideways. Unlike a daggerboard, which lifts vertically, a centerboard pivo ...

A symbol placed on packages for identification purposes; generally a triangle,square, circle, etc. with letters and/or numbers and port of discharge.

Fluid cooling agent.

In sailboat racing, to take to opposite tack of the rest of the fleet when behind, hoping that the wind will shift to your benefit.

The highest navigation bridge. It usually includes an added set of controls above the level of the normal control station for better visibility.

Towards, near, or at the bow; Prefix denoting at, near, or toward the bow.

A filter element whose medium consists of a series of uniform folds and has the geometric form of a cylinder, cone, disc, plate ... Synonymous with "convoluted" and "corrugated".

To measure the depth of the water with a lead. Also said of a whale when it dives to the bottom.