To calculate your position using time, the position of celestial bodies, and mathematical tables. Position is determined by measuring the apparent altitude of one of these objects above the horizon using a sextant and recording the times of these sighting ...

(1) The portion of an anchor that digs securely into the bottom, holding the boat in place. (2) The two triangular parts which make up a whale's tail.

1.Dead reckoning.2.Double Reduction.3. Dead Reckoning

An extensive property.

The meridian from which longitude is measured eastwards or westwards. The longitude of the prime meridian, passing through Greenwich, England, is 0

A pointed spar driven into the bottom and projecting above the water; when driven at the corners of a dock, they are termed fender piles.

Let the sail out by easing the sheet.

See Terms of Sale.

A body of water used to cool the water that is circulated in an electric power plant.

A chemical element, of atomic number 14, that is semi-metallic, and an excellent semiconductor material used in solar photovoltaic devices; commonly found in sand.

A sail placed forward of the mast, such as a jib; the sail set from the foremast on a schooner; the lowest square sail on the foremast of Square Riggers.

A white navigation light carried by vessels under way at night to indicate their presence and give an indication of their course.

Specialty compressed air treatment meeting OSHA Grade D breathing air requirements.

To take down a sail quickly; the entire action of getting a sail out of the wind and furling it.

A certificate issued by the U.S. Department of Agriculture to satisfy import regulations of foreign countries; indicates that a U.S. shipment has been inspected and found free from harmful pests and plant diseases.

The total capacity of electrical generation devices in a power station or system.

Debts owed by a company which are due for settlement within 12 months. These include creditors and...

Moisture contained in the soil above the water table, including water vapor which is present in the soil pores. In some cases this term refers strictly to the humidity contained in the root zone of plants.

The capacity for floating.

A nautical guy, often a negative connotation.