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)
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The things sailors do
(8 terms)
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Why say back when you can say aft instead!
(20 terms)
Athwartships
At right angles to the fore-and-aft Line of the Boat; rowboat seats are generally positioned Athwartships.
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Common sayings and expressions from maritime lore
(149 terms)
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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)
Heart of Oak
A british naval song wirtten by David Garrick that starts:
īCome cheer up, my lads, ītis to glory we steer, To add something more to this wonderful yearī Set to music by Willian Boyce in 1759 and commerating that same year "the year of vistories" or "the wonderful year" as the song proclaims. This is based on the victories at Lagos, Quiberon Bay, and the capture of Quebec - which all occured in that year during the seven years war 1756-63. It was later a traditional... |
Specific sailing maneuvers
(33 terms)
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The points of sail and seamanship
(76 terms)
Compass rose
A figure with the complete 360° directional system displayed as a circle with each degree graduated upon it, and with the 0° indicated as True North. Also called true rose. This is printed on nautical charts to indicate the reference direction.
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The parts of ships
(131 terms)
Wake
A disturbed column of water around and behind a pleasure craft as it makes its way through the water. It includes both the charastic "V" shaped wave pattern and the turbulent wated thrown Back by the propellers.
A detailed look: http://www.madsci.org/posts/archives/jul2001/994688283.Ph.r.html |
Important people and/or their positions in nautical history
(14 terms)
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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)
Balloon Jib
A large, light-weather headsail set in place of the working Jib; generally used for reaching, but rarely seen today.
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Types of vessels and some famous examples
(22 terms)
Lime-juicers
A nickname for British ships coined by the Americans. It referrs to the British regulation that all registered ships had to cary a supply of lime juice and issue the same to the crew to prevent Scurvy.
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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)
Fronts
Used in meteorology to describe bounderies between hot and cold air masses. This is typically where bad weather is found.
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