The ratio of the indicated power to shaft input.

To change direction so as to point farther away from the wind. Also Bear Away, Bear Off or Head Down. The opposite of heading up.

The gauge pressure at which a pressure vessel is maintained in normal operation.

Bound together.

The bottom of the mast, with a shape designed to fit into the mast step.

Devices used between rotating and stationary parts to separate, and minimized leakage between, areas of unequal pressures.

Error that can be introduced when not reading an instrument, such as a compass, directly from its front, due to the separation of the indicator and the scale being read.

Limber hole of a ship.

An order to commence ship's work.

A term used to describe the condensate flow rate. It can be expressed as gallons per minute (GPM) or pounds mass per minute (lbm/min)

Originally, to suck rum from a coconut, the end of the nut resembling a monkey's face. Later, illicitly to suck spirit from a cask, usually through a straw. Also called Bleed the Monkey.

A structural failure of the filter medium due to flexing caused by cyclic differential pressure.

A pointed metal spike, used to separate strands of rope in splicing.

Removal of worn or damaged gear and the fitting of new gear in replacement.

Same as 0.4535924277 kilograms.

The top of the mast

Occurs when the vapor is at the dew point or saturation temperature corresponding to its partial pressure. A gas in never saturated with a vapor. However, the space occupied jointly by the gas and vapor may be saturated.

A trade arrangement in which goods are shipped to a foreign buyer without guarantee of payment.

To make headway when there is no apparent wind.

A marine insurance policy that applies to all shipments made by an exporter over a period of time rather than to one shipment only.