To sail a boat closer to the wind - to steer closer to the wind, usually by pulling in on the sheets

The short foot rope at the end of a yard at the outer corner of a square sail used when reefing or furling.

Columnar support for the steering wheel in the cockpit.

A situation in which waves strike a boat from the side, causing it to roll unpleasantly.

Required by some countries for protection against the dumping of certain types of merchandise or products.

The process of checking the accuracy of and adjusting the ship's magnetic compass.

Disciplinary code in which maritime crimes and punishments are specified.

An inspection method for welding, forgings etc. based on the ability of certain types of liquids to enter voids and crevices by capillary action and to remain there when the surface liquid is removed.

(1) A second method of propelling a vessel. On a sailboat this would be the engine. (2) Machinery fitted in steam and motor vessels which is not part of the main propelling machinery. (3) a support group, e.g., Coast Guard Auxiliary

A mooring buoy or spar. A group of piles driven close together and bound with wire cables into a single structure.

The record of courses steered and distances traveled since the time a ship's position was last fixed by shore or astronomical observations.

A receptacle, open to atmosphere, that is used to used to collect condensate. For example, two or three drain pipes from various filters may be discharging into a funnel. In this case the funnel is a tundish.

The strokes on the ship's bell to mark the passage of time. The passage of time in each watch is marked by the bell every half-hour.

Dioctylphalate aerosol (Efficiency Test Material).

Wooden bar with an iron shod, wedge, Shaped end, used in prying the anchor or working the anchor or working the anchor chain. Also used to engage or disengage the wild-cat.

Is the ratio in absolute units of the actual gas temperature to the critical temperature.

Reduce dew point by passing compressed air through a bundle of hollow membrane fibers; water vapor and a portion of the compressed air then permeate the membrane walls and vent to atmosphere

Rank intermediate between officer and rating, and in charge of ratings; more or less equivalent to the rank of sergeant.

Latitude lines.

To make a rope fast by turns round a pin or coil, without hitching or seizing it.