In wooden ship construction, these were cylindrical pins of oak which were used to secure the planks to her timbers. Pronounced "trennels".

A running light allowed on some sailboats instead of the normal bow and stern lights. The tricolor light contains the red and green side lights and the white stern light in a single fitting that is attached to the top of the mast.

Sailor's songs sung in the forecastle when the men of a watch were off duty. These were sung for entertainment, thus they were not shanties.

The frame of a container constructed to hold one or more thermally insulated tanks for liquids.

To loose a rope is to let it go

An air operated device for hoisting or pulling. Similar to a slusher or winch

A U-shaped fitting closed with a pin across the open ends, the pin sometimes being threaded at one end and sometimes held in place with a cotter pin, and used to secure sails to lines or fittings, lines to fittings, fittings to fittings, anchors to chain, ...

The right to maintain a course according to the Rules of Navigation. When two boats are on intersecting courses, one is the "stand-on" vessel (has "right of way" and must hold its course steady) so the other "give-way" vessel may steer clear. ...

The normal working pressure for an air motor (6 bar).

A method of storing a sail, e.g., by rolling the jib around the headstay.

(1) Sailing away from the wind with the sails let out all the way; going with the wind, downwind sailing (2) To allow a line to feed freely. (3) The shape of the afterpart of the underbody of a ship in relation to the resistance it creates going through t ...

A display of national colors at all mastheads and the array of signal flags from bow to stern over the masthead (for special occasions and holidays).

A shipwrecked sailor as compared with one who has been marooned or deliberately put ashore.

Also bosun, bos'n, bo's'n, and bo'sun, all of which are pronounced bosun. The highest unlicensed rating in the deck department who has immediate charge of all deck hands, oversees deck crew, maintenance and upkeep of the ship except for the engine room an ...

Iron or steel straps fastened diagonally across a ship's frames to make a rigid framework.

Weight of the earth's atmosphere over a unit area of the earth's surface, measured with a mercury barometer at sea level. which corresponds to the pressure required to lift a column of mercury 760 mm.

Said of a distant ship when her hull is below horizon and her masts and upper works are visible.

Abbreviation for Export-Import Bank of the United States. An independent U.S. Government Agency which facilitates exports of U.S. goods by providing loan guarantees and insurance for repayment of bank-provided export credit.

See insurance.

Course Over Ground