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

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

The number of revolutions per minute of the compressor shaft.

See CFS.

The pressure that would be produced by stopping a moving stream of liquid or gas.

An anchor is said to bite when the flukes dig themselves into the ground and hold firm without dragging.

Depth measured; the number indicating depth on a chart; the process of measuring fuel or water in ships' tanks. A ship is thought to be "in soundings" when she is inside the 100 fathom line, and "off soundings" when she is outside that line. ...

The turbulent effect of air on the lee side of a sail when trimmed in too far.

Waterproof clothing.

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

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.

When the distance between the wave crests is less than normal.

A block with a single sheave which is hinged and opens on the side so that the bight of a line can be led into the block and closed without running the whole length through

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

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.

Articles packed so that one rests partially or entirely within another, thereby reducing the cubic-foot displacement.

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".

Fluid cooling agent.

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.