Sailing upwind so close to the wind that the forward edge of the sail is stalling or luffing, reducing the power generated by the sail and the angle of heel. Also known as pinching.

Machines in which air or gas is compressed by the mechanical action of rotating vanes or impellers imparting velocity and pressure to the flowing medium. (Raise the pressure of the air by converting the energy from the velocity of the air to pressure.)

A beam which supports a deck.

The highest operating pressure the system or component is designed to withstand.

A large sail that is a cross between a spinnaker and a genoa. Hoisted without a pole, the tack is attached at the bottom of the headstay.

Pounds.

Water of sufficient depth to allow a boat to travel through it.

The positioning and shape of the sails to the wind; To sheet in or out the sails for the most optimal performance and speed

A device used to keep a person afloat. Also called a life preserver, life vest, PFD or personal floatation device.

Method of payment for goods in which documents transferring title are given the buyer upon payment of cash to an intermediary acting for the seller, usually a commission house.

The command given to inform the crew that the helm is being turned quickly to leeward, turning the boat windward

Industry-related: A point at which freight moving from one territory to another is interchanged between transportation lines.

A single block such as a snatch block used as a fairlead to bring a line in a more favorable direction.

Hoist or haul in the anchor.

A large, swelling wave. To surge a rope or cable, is to slack it up suddenly where it renders round a pin, or round the windlass or capstan.urge ho! The notice given when a cable is to be surged.

Itemized list of commodities with marks/numbers but no cost values indicated.

Material that stores energy, although mass will also retain coolness. The thermal storage capacity of a material is a measure of the material's ability to absorb and store heat.

An expression describing a sailing ship set with every sail she can carry.

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.

Is the ratio of the thermodynamic work requirement in the cylinder to actual brake horsepower requirement.