Naval
Dictionary
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MPS
Acronym of Multi Purpose Sail, an asymmetric sail similar to gennaker, used in cruises
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Magnetic declination
Angular distance between the geographic North and the magnetic one
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Magnetic needle
One of the two steel rhomboidal magnetic elements of a magnetic compass .
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Main mast case
Point of the hull where the main mast terminal lays
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Main royal sail
Yard and relative trapezoidal sail, located at the top of the mainmast, above the topgallant sail.
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Mainmast
Main mast in multi-mast vessels. Main sail
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Mainsail
Sail inserted on the mast or the boom, generally triangle-shaped.
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Mainsail furler
Drum fixed to the mast which allows to roll, partially or totally, the mainsail
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Mainsail traveller
Horizontal rail when the mainsail sheet carriage runs
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Mainstay
A wooden or iron beam which supports a deck
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Manhole
Opening in a bulkhead or in the deck wide enough to let a person pass through
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Manrope
Wooden or metal handrail, generally mounted on the deck house
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Marine signals
Lighhouses, lights, buoys which makes navigation safer
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Maritime signaling
Combined cardinal-lateral system
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Marline
Thin cable used for hand stitchings.
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Marocchino
Cable which joins two mast heads
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Mast
To fix a mast on its step
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Mast
A vertical wooden or aluminium spar employed to support sails or for other functions on motorboats
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Mast foot
Terminal part at the base of the mast, usually on the relative mast-step
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Mast head truck
Closure at the mast top
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Mast partner
Hole in the deck where the mast passes through
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Masting
L' Set of masts and stays of a boat
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Match race
Regatta between two identical boats
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Maximum loading
The highest wind intensity the sheets of a hoisted sail can bear
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Mayday
Emergency signal indicating an extreme danger
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Meltemi. Etesian wind
Summer northern widn which blows in the Aegean Sea.
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Mercator projection
Type of projection of Earth's surface on maps
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Mercator projection
Definition of mathematical rules for the projection of the Earth's surface on a map.
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Mercatore.
Belgian geographer who invented the homonymous projection
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Meridians
A great circle of the Earth passing through the poles and perpendicular to parallels
The Greenwich meridian also serves as the basis for the world’s standard time zone system. (UMT)
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Metacentric height
Distance between metacenter and barycenter. It indicates the boat's stability
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Mike.
Term which represents “M” in the international phonetic alphabet..
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Millibar.
Unit of measuremnt of the atmosperic pressure, equal to 1000 dynes per square centimeter.
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Mistral
Wind which blows from North-West
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Mistral.
One-design sailing board designed by E. Prade; Olympic class since 1996. it measures 3,.80x0.68 m; with a 6-square-meter-sail area
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Mizzen
The smallest aftermost mast on a sailing vessel having more than one mast
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Mizzen sail
Mainsail hoisted on the mizzen mast
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Mizzen staysail
Sail above kitchen stack
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Mizzen topgallant sail
Squaresail hoisted on the mizzen mast
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Moderate wind
Longer and choppier waves.Degree 4 in Beaufort Scale
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Moonraker, moonsail
A light squaresail set above a skysail
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Moor (v)
To come alongside a quay
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Moor (v), mooring
To stop the boat by fixing it to a pier or a quay through some ropes or an anchor.
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Moor tightly head and stern (v)
To moor fore and aft, both to a pier and through anchors
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Moore with two anchors ahead
Mooring which uses two anchors placed on the bottom laterally to the boat. The two anchoring lines are divided and they both leave from the bow fitting. Useful when weather is bad.
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Mooring post
Heavy structure, generally made of cement, on the sea bottom provided with a ring to which a mooring chain is fixed
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Mooring-post
Reference point located on the coast
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Morse.
Telegraphic alphabet invented by Samuel Morse: it consists of a group of lines and points which represent all letters.
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Motorsailer
A boat which includes the features of both sailing and motor boats
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Move on
To move a boat at a sufficient speed to manoeuvre
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Mustafà
Auxiliary rudder system. A mechanical instrument used on sailing boats to maintain a stable course in relation to wind.
It is an authomatic pilot which doesn't use energy, which is important in long navigations.
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magnetic deviation
Difference between magnetic North and compass inclination; variation due to external elements, such as metal items near the compass; see also compass compensation
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The nautical world is constantly evolving and up with the times, strongly linked to some firm traditions which drives the field to a precious niche in the international market. Nautical terms have always distinguish the nautical world. They are not only common sayings but specific nouns and adjectives forming a real specific language. In this section, you can find not only the most popular nautical terms but also details,interjections, compound sentences and a peculiar grammar! A real nautical dictionary including any need of lexical knowledge. yachtingmedia is the online portal which offers the widest selection of updated contents. Behind this, there is a team of sailing and web experts who know the field and, above all, love this wonderful world! Here you can find thousands of useful information about harbours, havens, boats and boats for sale; stay up-to-date,sail with yachtingmedia, the online pilot book which drives you towards a safe funny navigation!