The Bosunīs Mate Glossary of Terms
The Bosunīs Mate dictionary of Nautical Terms has been compiled from many sources and is constantly being augmented and revised in our attempt to capture as much of the rich yet complicated (and often conflicting) maritime termonology as possible.
You will find an extensive list of information about all sorts of nautical items from sailorīs knots to the sailors themselves, and from ships to the weather patterns of the seas they ply.
Random terms, by category
Abbreviations and Acronyms
(41 terms)
SOS
1) Save Our Souls
2) Save Our Ship |
The things sailors do
(8 terms)
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Why say back when you can say aft instead!
(20 terms)
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Common sayings and expressions from maritime lore
(149 terms)
Fast
Said of an object that is secured to another.
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The foods of the sea
(2 terms)
Scurvy
A disease historically common to seaman, caused by lack of Vitamin C the British Navy started to fight it bu adding lime juice to their water - this was the origin of the slan "Limey"
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Various knots both functional and ornamental from the nautical to the ornamental and with both historic and present day value.
(12 terms)
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Bits and bobs from life aboard ship
(5 terms)
Scurvy
A disease historically common to seaman, caused by lack of Vitamin C the British Navy started to fight it bu adding lime juice to their water - this was the origin of the slan "Limey"
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Specific sailing maneuvers
(33 terms)
Hike
To lean out over the side of a smaller sailing vessel to balance it against the force of the wind. In some vessels an apparatus is rigged to assist in leaning our further called a trapeze.
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The points of sail and seamanship
(76 terms)
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The parts of ships
(131 terms)
Kicking-strap
The Martingale that prevents the Boom from rising when it swings outwards helping to keep the Sail flat to the wind and thereby providing more driving power.
This term is typically used in small racing dinghys whereas a Line or tackle with the same function on modern boats is usually referred to as the boom-vang |
Important people and/or their positions in nautical history
(14 terms)
Nippers
1. Short lengths of Rope marled or braded and used when weighing the Anchor to bind the Cable to the Messenger or Viol. The (usually hemp) Cable was too thick to be brought around the capstain directly, and as such would be bound by the Nippers to the messanger which in turn was taken around the capstain.
2. The Boys or men responsible for working the Nippers were also referred to as Nippers themselves 3. Slings used when hoisting yards that were wet and slippery. 4. A lashed hammock wi... |
Key locations of the maritime world
(20 terms)
Caught between the devil and the deep blue sea
With the straightforward meaning of being in a troublesome spot, the interesting thing is the origin of this expression.
The deep blue sea part is obvious - but in this case the "devil" is not the scary guy with horns but the Hull plank closest to the waterline where barnacles and marine growth gather the heaviest. The crew on long voyages would always spend time maintaining the Ship and scraping the growth off this area was one of the nastiest of jobs. Both due to the fact t... |
Rigging components and terms
(104 terms)
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Sails, their parts and materials
(30 terms)
Moonsail
The small light sails set above the skysails on square-rigged masts in light winds.
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Types of vessels and some famous examples
(22 terms)
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The various spars used aboard ship
(6 terms)
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The tools of the trade
(27 terms)
Lines
1. Rope used for various purposes Aboard Ship.
2. The design drawings of a vessel, normally consisting of three diagrams: the sheer plan: showing the longitudnal vertical section of the Ship; the body plan: showing the vertical cross sections; and the half-bredth plan: showing the longitudnal transverse section at the deckline. 3. A collective term referring to the design of the Ship "she has good lines" |
terms awaiting clasification
(36 terms)
none found |
Meteorology and its relationship to sailing
(7 terms)
Beaufort Scale
A system for clasifying wind strengths and sea conditions:
1 Light Air Or just sufficient to give steerage way. 2 Light Breeze Or that in which a man-of-war with all Sail set, and clean full would go in smooth water from. 1 to 2 knots 3 Gentle Breeze 3 to 4 knots 4 Moderate Breeze 5 to 6 knots 5 Fresh Breeze Or that to which a well-conditioned man-of-war could just carry in chase, full and by. Royals. 6 Strong Breeze Single-reefed topsails and top-gal. Sail 7 Moderate Ga... |
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