A curved inlet section on an impeller.

A rail around the mast or on the bulwarks with holes for belaying pins to which lines or halyards are attached.

The recognized abbreviation for the International Chamber of Commerce Terms of Sale. These terms were last amended, effective July 1, 1990.

To repeat an order for information to the crew.

Is a positive displacement rotary compressor.

At right angles to the centerline of the boat; rowboat seats are generally athwart ships.

An officer who attends to the berthing, etc., of ships in a harbor.

Is singular for media and is the material...paper, wire, cellulose or a combination... from which the filter element is made and which does the actual filtration or separation.

(1) Term describing the status of seamen, corresponding to rank in the case of officers. (2) A method of measuring a yacht's expected performance relative to another yacht while racing. Over the years many formulas have been experimented with, in order to ...

A shore that wind blows onto; it is best to stay well off a lee shore in a storm

A docking line going at approximately a right angle from the boat to the dock, preventing movement away from the dock.

Fine separated particles floating in the air and clouding it. A substance in the gaseous state.

A frame used to support the boom when the sail is down.

After a seam is caulked, to lay over it a narrow piece of canvas and then pour on hot pitch and tar .

Difference in air or gas temperature between the outlet of the intercooler and the inlet of the compressor.

The oily condensate discharged by lubricated air compressors. The name is derived from the appearance of the condensate. Under normal conditions oily condensate should just be cloudy, like a small amount of milk in a bucket of water. When a lubricated com ...

Water washing over; the situation of an object when almost submerged.

On vessels constructed of wood, the narrow gap between the planks which form the decks and sides and were caulked to make them watertight. Since wood swells when it's in contact with water, a narrow seam is necessary to allow for the expansion.

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

An ornamental carved and painted figure on the stem of the vessel.