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Maritime History glossary

The long arc of human activity at sea as an academic discipline: the age of sail, the transition from sail to steam, the reciprocating and turbine ocean-liner eras, the containerization revolution from the 1950s, and the historic specialized trades (clipper, grain, coal, ore). Includes exploration voyages, the development of navigation and the marine chronometer, wartime shipping and Liberty-ship production, and famous disasters studied as a recurring theme.

260 defined terms.

Showing 250 on this page (page 1 of 2).

A

Age of Discovery
European maritime expansion roughly 1418 to 1620, opening sea routes to Africa, Asia, and the Americas.
Age of Exploration
Synonym for the Age of Discovery, emphasizing voyages of Portuguese, Spanish, Dutch, English, and French navigators.
Age of Sail
Period roughly 1571 to 1862 when sailing warships and merchantmen dominated global trade and naval warfare.
Akkadian Sea Trade
Bronze Age commerce between Mesopotamia, Dilmun, Magan, and Meluhha documented in cuneiform tablets.
Anchor watch
Watch maintained on anchored vessel.
Anson's Voyage
1740 to 1744 circumnavigation by Commodore George Anson, notable for capturing the Manila galleon Nuestra Senora de Covadonga.
Argo
Mythic Greek ship of Jason in the Argonautica, often cited as the archetype of long-voyage exploration narrative.
Armada
Spanish fleet of 1588 dispatched by Philip II against Elizabethan England; its defeat marked a shift in Atlantic naval power.
Astrolabe
Medieval Arab and European altitude-measuring instrument adapted as the mariner's astrolabe in the fifteenth century.
Atlantic Convoy System
Allied convoy organization in both World Wars protecting merchant shipping across the North Atlantic.

B

Baltic Timber Trade
Long-running European trade in masts, deals, and pitch from Riga, Memel, and Saint Petersburg.
Battle of Jutland
1916 North Sea fleet action between the British Grand Fleet and the German High Seas Fleet.
Battle of Lepanto
1571 galley battle in which the Holy League defeated the Ottoman fleet in the Gulf of Patras.
Battle of Midway
June 1942 Pacific carrier battle, a turning point against Imperial Japan.
Battle of the Atlantic
Longest continuous campaign of the Second World War, 1939 to 1945, between Allied convoys and German U-boats.
Battle of Trafalgar
Royal Navy victory of 21 October 1805 under Nelson over the combined Franco-Spanish fleet.
Bireme
Ancient Mediterranean galley with two banks of oars.
Bombarda
Mediterranean two-masted vessel adapted from bomb ketches.
Brigantine
Two-masted vessel with square-rigged foremast and fore-and-aft mainmast, common in eighteenth and nineteenth century coastal trade.
Buss
Dutch herring-fishing vessel of the sixteenth and seventeenth centuries.

C

Captain Cook's Voyages
Three Pacific voyages 1768 to 1779 in HMS Endeavour, Resolution, and Discovery.
Caravel
Small lateen-rigged Iberian exploring vessel of the fifteenth century, used by Portuguese explorers along Africa.
Carrack
Three or four masted ocean-going merchantman developed in fifteenth century Iberia; example, Santa Maria.
Challenger Expedition
1872 to 1876 British circumnavigation that founded modern oceanography.
Clipper
Mid-nineteenth century sharp-hulled fast sailing ship built for tea, opium, wool, and California trades.
Cog
Single-masted Hanseatic League cargo carrier of the high medieval Baltic and North Sea.
Compass Rose
Wind rose device printed on charts since the portolan era of the late thirteenth century.
Containerization
Post-1956 revolution in cargo handling initiated by Malcom McLean's converted tanker Ideal X.
Convoy
Group of merchant ships sailing under naval escort.
Cross-staff
Pre-sextant altitude instrument used from the sixteenth century.

D

Davis Quadrant
Backstaff invented by John Davis around 1594.
Deadweight tonnage
DWT, total weight a vessel can carry.
Dhow
Lateen-rigged Arab and East African trading vessel of the western Indian Ocean.
Disaster Inquiry
Formal investigation tradition exemplified by the Titanic and Lusitania inquiries.
Dogger
Two-masted English North Sea fishing vessel of the seventeenth century.
Doldrums
Equatorial region of light and variable winds within the ITCZ.
Donitz Wolfpack
Coordinated U-boat group tactics employed in the Battle of the Atlantic.
Drake's Circumnavigation
1577 to 1580 voyage by Francis Drake in the Golden Hind.
Drakkar
Norse longship type used for raiding from the eighth to eleventh centuries.
Dutch East India Company (VOC)
Chartered 1602, the first multinational joint-stock company and dominant Asian trader of the seventeenth century.

E

East India Trade
European spice and textile commerce with India and Southeast Asia, sixteenth to nineteenth centuries.
East Indiaman
Large merchant vessel of the various East India Companies.
Egyptian Reed Ships
Predynastic and Old Kingdom vessels of the Nile and Red Sea.
Empress of Ireland
1914 St. Lawrence sinking with 1012 deaths.
Enclosure Period
Late Tudor English maritime expansion enabling Atlantic ventures.
Endeavour, HMB
Cook's first-voyage Royal Navy bark.
Endurance Expedition
Shackleton's 1914 to 1917 Imperial Trans-Antarctic Expedition.
Erebus and Terror
Royal Navy bomb vessels of the lost Franklin Expedition of 1845.
Estonia, MS
1994 Baltic ferry sinking with 852 deaths.
Exxon Valdez
1989 grounding in Prince William Sound, a benchmark pollution disaster.

F

Falklands Conflict 1982
Maritime campaign including taskforce logistics, STUFT, and the loss of HMS Sheffield.
First Fleet
1787 to 1788 British convoy that founded the colony of New South Wales.
Fishery Protection Squadron
Royal Navy unit of historic continuity since the seventeenth century.
Fluyt
Dutch cargo carrier of the late sixteenth and seventeenth centuries, optimized for low crew costs.
Foochow Pole Junk
Chinese river junk historically used in Min River trade.
Fore-and-Aft Schooner
New England trade rig prevailing through the nineteenth century coastal trade.
Fram
Polar exploration ship of Nansen and later Amundsen, launched 1892.
Fram Strait Drift
Nansen's planned ice drift across the Arctic Ocean, 1893 to 1896.
Franklin Expedition
1845 Royal Navy Arctic expedition lost in search of the Northwest Passage.
Frigate, Sailing
Single-gun-deck cruising warship of the eighteenth and nineteenth centuries.

G

Galleas, Dutch
Coasting vessel of the North Sea.
Galleass
Hybrid oared-and-sailed warship type used by Venice at Lepanto.
Galleon
Iberian sailing warship and treasure carrier of the sixteenth and seventeenth centuries.
Galley
Oared Mediterranean warship type from antiquity into the seventeenth century.
Golden Age of Piracy
Roughly 1650 to 1730 in the Caribbean, Indian Ocean, and Atlantic.
Grain Trade
Sailing-era and modern bulk trade route, notably the Australian Grain Race of the 1920s and 1930s.
Grand Banks
Atlantic fishing grounds off Newfoundland, central to cod history.
Grand Fleet
British Royal Navy main battle force in the First World War.
Greek Trireme
Three-banked oared warship of fifth-century BCE Athens.
Guano Trade
Nineteenth-century Pacific trade in Chincha Islands seabird fertilizer.

H

Halifax Explosion
1917 collision and detonation of the munitions ship Mont-Blanc in Halifax Harbour.
Hanseatic League
Medieval North European trading confederation centered on Lubeck.
Hellenistic Sea Power
Ptolemaic and Seleucid naval forces of the eastern Mediterranean.
Henry the Navigator
Portuguese prince and patron of Atlantic exploration 1394 to 1460.
High Seas Fleet
Imperial German Navy battle fleet of the First World War.
HMS Beagle
Royal Navy survey brig that carried Darwin 1831 to 1836.
Hoek Tradition
Dutch shipbuilding tradition associated with North Holland yards.
Holystone
Sandstone block used to scour wooden decks during the age of sail.
Hoy
Small English coasting vessel of the seventeenth and eighteenth centuries.
Hugli Trade
Bengal-based East India trade with European factories.

I

Ice Trade
Nineteenth-century New England export of natural lake ice to the Caribbean and India.
Imperial Russian Navy
Tsarist fleet operative until 1917.
Imperial Trans-Antarctic Expedition
Shackleton's 1914 to 1917 Endurance expedition.
Indiaman
Generic term for British, Dutch, Danish, and French East India Company vessels.
Industrial Steam Era
Mid-nineteenth century shift from sail to steam propulsion in long-distance trades.
Inshore Squadron
Royal Navy close-blockade force off Brest during the Napoleonic Wars.
International Mercantile Marine
Early twentieth-century shipping trust controlling White Star and other lines.
International Whaling Era
Eighteenth and nineteenth century pelagic whaling.
Irish Sea Smuggling
Eighteenth-century clandestine trade in tea, spirits, and tobacco.
Ironclad
Mid-nineteenth century iron-armored warship; HMS Warrior and CSS Virginia are early examples.

J

Japan Trade
Dejima-era seventeenth to nineteenth century Dutch maritime commerce.
Jeannette Expedition
1879 Arctic expedition under De Long.
Jervis Bay, HMS
Armed merchant cruiser lost defending convoy HX 84 in 1940.
Jervis's Squadron
Royal Navy Mediterranean force under Sir John Jervis culminating at Cape St. Vincent 1797.
John Company
Colloquial term for the British East India Company.
Jolly Roger
Black piratical flag tradition of the early eighteenth century Caribbean.
Junk
Chinese flat-bottomed seagoing vessel with battened lugsails, attested from the Han dynasty.
Junker Era German Shipping
Late nineteenth century rise of Hapag and Norddeutscher Lloyd lines.
Jutes
Early medieval North Sea seafaring people from southern Jutland.
Jutland, Battle of
Largest battleship action of the First World War, 31 May to 1 June 1916.

K

K-class Submarine
Steam-powered British submarines of the First World War.
Kamikaze Typhoons
Storms of 1274 and 1281 that wrecked Mongol invasion fleets bound for Japan.
Kentledge Ballast
Historic iron-pig ballast used in East Indiamen.
King's Letter Boys
Seventeenth-century scheme for the entry of officer aspirants in the Royal Navy.
Klondike Gold Rush Shipping
1897 to 1899 Pacific steamer rush to Skagway.
Knockabout Schooner
Late nineteenth century New England fishing schooner without bowsprit.
Korean Turtle Ship
Geobukseon, the armored vessel used by Yi Sun-sin in the 1590s.
Kowloon Trade
Hong Kong-based China coastal trade.
Kursk Disaster
2000 sinking of the Russian Oscar-class submarine.
Kvalsund Boats
Pre-Viking Norwegian vessel finds at Kvalsund.

L

L'Orient
French flagship destroyed at the Battle of the Nile, 1798.
Lateen Rig
Triangular fore-and-aft sail of Mediterranean and Indian Ocean origin.
Letter of Marque
Royal commission authorizing private vessels to attack enemy shipping.
Liberty Ship
Mass-produced EC2-S-C1 emergency cargo ship of the Second World War, 2,710 built.
Lighter
Flat-bottomed harbor vessel for transferring cargo to and from ships in roadsteads.
Limey
Historical nickname for British sailors from the issue of lime juice against scurvy.
Liner Conferences
Late nineteenth century rate-setting cartels of liner shipping.
Lloyd's Coffee House
Edward Lloyd's 1686 London establishment, origin of Lloyd's of London insurance.
Longship
Viking clinker-built oared sailing vessel of the eighth to eleventh centuries.
Lusitania
Cunard liner torpedoed by U-20 on 7 May 1915 with 1,198 deaths.

M

Magellan's Circumnavigation
1519 to 1522 voyage completed under Elcano in Victoria.
Mariner's Compass
Magnetized needle device introduced to Europe in the late twelfth century.
Maritime Republics
Medieval Italian seapowers, Venice, Genoa, Pisa, and Amalfi.
Mary Rose
Tudor warship sunk in 1545 in the Solent and raised in 1982.
Mayflower
1620 English vessel that carried the Pilgrim Fathers to Plymouth.
Mediterranean Galley System
Long-running oared warship culture of Venice, Genoa, Spain, and the Ottoman Empire.
Merchant Navy
Collective civilian shipping fleet of a nation, particularly the British Merchant Navy.
Middle Passage
Atlantic leg of the triangular slave trade from West Africa to the Americas.
Motor Ship Era
Twentieth-century transition from steam to diesel propulsion, marked by Selandia, 1912.
Mulberry Harbour
Prefabricated artificial harbour deployed at Normandy in 1944.

N

Napoleonic Wars at Sea
Royal Navy campaigns 1803 to 1815 including Trafalgar.
Nautical Almanac
Annual joint UK/US publication.
Naval Defence Act 1889
British two-power-standard legislation.
Naval Stores
Tar, pitch, turpentine, and rosin trade central to historic ship maintenance.
New Bedford Whaling
Massachusetts whaling industry of the nineteenth century.
Newcastle Coal Trade
Coastwise English coal traffic from Tyneside, including the cat-bark type.
Nile, Battle of the
1798 Nelson victory over the French at Aboukir Bay.
Nordic Iron Age Vessels
Vessel finds such as Nydam and Hjortspring.
Norse Knarr
Viking-era ocean cargo vessel used for North Atlantic colonization.
Northwest Passage
Arctic sea route through the Canadian Archipelago, first transited 1903 to 1906 by Amundsen.

O

Oar-and-Sail Ship
Common Mediterranean classical antiquity hybrid configuration.
Oared Galleass
Hybrid type used by Venice in the sixteenth century.
Ocean Liner Era
Roughly 1870 to 1960, the dominance of scheduled passenger steamers on transoceanic routes.
Old Ironsides
Nickname of USS Constitution, launched 1797.
Onassis Era
Mid-twentieth century rise of Greek tanker tycoons.
Opium Clipper
Mid-nineteenth century fast vessel in the China opium trade.
Oseberg Ship
Viking burial vessel found in Norway in 1904.
Ottoman Navy
Imperial fleet of the Ottoman Empire from the fourteenth century.
Outport Trade
Colonial New England and Newfoundland fish trade.
Overseas Container Line
1965 British-formed early containership operator.

P

Pacific Trade Winds
Climatology critical to Manila Galleon navigation.
Packet Ship
Scheduled transatlantic mail and passenger sailing ship of the early nineteenth century.
Panamax
Dry bulk or container vessel sized for the original Panama Canal locks.
Phoenician Trade
Iron Age maritime commerce across the Mediterranean from Tyre and Sidon.
Pirate Round
Late seventeenth century circuit by American pirates to the Indian Ocean.
Pohnpei Trade
Nineteenth century Pacific whaling and trading port.
Pomor Trade
Seasonal Russian White Sea trade with northern Norway.
Portolan Chart
Medieval Mediterranean coastal chart series of the thirteenth to sixteenth centuries.
Privateer
Privately owned vessel licensed by a state to attack enemy shipping.
Punic Wars
Three Roman-Carthaginian conflicts, central to ancient naval history.

Q

Q-Ship
Historic decoy armed merchantman; archaic but cited in doctrine.
Qing Maritime Bans
Haijin policies restricting Chinese seagoing trade.
Quadrant, Davis
Late sixteenth century altitude-measuring instrument.
Quartermaster
Helmsman on watch.
Quebec Convoy
Wartime Canadian Atlantic escort assembly.
Queen Mary, RMS
Cunard liner of 1936, troop transport in the Second World War.
Quinquereme
Hellenistic and Roman oared warship with five-file oar arrangement.
Quintireme
Roman large oared warship known from Polybius.
Quirinal Maritime Code
Italian Renaissance maritime legal compilation.
Quoddy Boat
Maine and New Brunswick fishing sloop type.

R

Reciprocating Engine Era
Late nineteenth and early twentieth century triple- and quadruple-expansion steam plants.
Red Duster
Nickname for the British Merchant Navy red ensign.
Reefer Trade
Refrigerated meat and fruit trade from the late nineteenth century.
Roaring Forties
Strong westerly winds between 40 and 50 degrees south.
Roman Imperial Fleet
Classis Misenensis and Classis Ravennas standing fleets.
Rotary Sail Era
Early twentieth-century Flettner rotor experiments.
Rotterdam
Major Dutch port historically central to European trade.
Royal Navy
Naval forces of the United Kingdom, the senior service since the sixteenth century.
Royal William, SS
1833 Canadian-built early transatlantic steam crossing.
Russian Imperial Navy
Imperial Russian seapower 1696 to 1917.

S

Sail to Steam Transition
Mid to late nineteenth century gradual displacement of sail by screw steamers.
Schooner
Two- or more-masted fore-and-aft rigged vessel of New England origin.
Slave Trade, Atlantic
Sixteenth to nineteenth century forced transportation across the Middle Passage.
Spanish Treasure Fleet
Flota de Indias system 1566 to 1790 between Seville-Cadiz and the Indies.
Spice Trade
Long-running commerce in pepper, cloves, nutmeg, and cinnamon from the Indies.
Square-Rigged Ship
Vessel with primarily square sails set athwartships, the dominant ocean rig until the late nineteenth century.
Steam Packet
Early nineteenth century steamship on coastal and short-sea routes.
Submarine Warfare
From Bushnell's Turtle in 1776 through the world wars.
Suez Canal
Opened 1869, reshaping global shipping routes between Europe and Asia.
Sutton Hoo Ship
Anglo-Saxon ship burial of the early seventh century.

T

Tea Race
Annual nineteenth-century clipper races from Foochow to London.
Titanic, RMS
White Star liner that sank on 15 April 1912 with 1,517 deaths.
Tonnage Wars
Twentieth-century Allied versus Axis merchant attrition campaigns.
Trade Winds
Persistent easterly winds in the tropics.
Trafalgar, Battle of
1805 Nelson victory off Cape Trafalgar.
Tramping
Charter-driven non-scheduled cargo trade of the late nineteenth and twentieth centuries.
Transatlantic Cable Ships
Mid-nineteenth century cable layers including the Great Eastern.
Treasure Voyages
Ming dynasty fleets under Zheng He, 1405 to 1433.
Triangular Trade
Three-leg Atlantic trade pattern linking Europe, Africa, and the Americas.
Trireme
Ancient Greek three-banked oared warship of the fifth century BCE.

U

U-Boat
Imperial and Nazi German submarine, central to the Battle of the Atlantic.
Uluburun Wreck
Late Bronze Age wreck off Anatolia, c. 1320 BCE.
Underwater Telegraph
Mid-nineteenth century submarine cable infrastructure.
Union Castle Line
South African mail and passenger line, founded 1900.
United Fruit Company
Early twentieth century operator of the Great White Fleet of reefer ships.
Unrestricted Submarine Warfare
Imperial German policy of 1917.
Upper Yard Sailor
Historic able seaman skilled at working highest yards.
USS Constitution
1797 American heavy frigate preserved at Boston.
USS Monitor
1862 Union ironclad of the Battle of Hampton Roads.
Utrecht Treaty 1713
Settlement awarding Britain the Asiento slave-trade contract.

V

Vasa
Swedish royal warship sunk on her maiden voyage in 1628, salvaged 1961.
Vasco da Gama
Portuguese navigator who reached India by sea in 1498.
Venetian Arsenal
State shipbuilding complex of the Venetian Republic.
Vespucci, Amerigo
Florentine navigator whose name was applied to the Americas.
Victory Ship
Improved Second World War American cargo vessel succeeding the Liberty design.
Victory, HMS
Nelson's flagship at Trafalgar, launched 1765, preserved at Portsmouth.
Viking Age
Roughly 793 to 1066, marked by Norse seafaring expansion.
VOC
Dutch East India Company, chartered 1602.
Voortrekker Maritime Lines
South African historical coastal carriers.
Voyage of Discovery
Generic term for organized scientific or exploratory expedition.

W

West India Trade
Sugar, rum, and molasses commerce of the Caribbean.
Westphalian Maritime Order
Seventeenth century basis for the modern state-flag system.
Whaling Era
From early Basque whaling to twentieth century pelagic factory fleets.
Wherry, Norfolk
Inland sailing trader of the Norfolk Broads.
White Star Line
British shipping company 1845 to 1934, operator of Olympic, Titanic, and Britannic.
Windjammer
Late nineteenth and early twentieth century large steel sailing cargo vessel.
Wool Clipper
Sailing ship in the Australian wool trade.
World War I Shipping Crisis
1917 Allied tonnage emergency under unrestricted U-boat warfare.
World War II Convoy Battles
1939 to 1945 North Atlantic campaign.
Wreckers
Coastal communities salvaging cargoes from stranded vessels.

X

X-Craft
Royal Navy midget submarines of the Second World War.
Xanten Roman River Boats
First-century inland vessels excavated in Germany.
Xebec
Three-masted Mediterranean vessel with lateen and square rig combinations.
Xebec-Frigate
Hybrid French Mediterranean cruiser type.
Xeresean Wine Trade
Sherry export trade from Cadiz and Jerez.
Xerxean Naval Defeat
Battle of Salamis, 480 BCE.
Xerxes' Bridge of Boats
480 BCE Persian pontoon crossing of the Hellespont.
Xiamen Trade
Historic Amoy port commerce in tea and porcelain.
Xiphias Frigate
Generic Greek antiquarian rigged-vessel name.

Y

Yamato, Japanese Battleship
Largest battleship ever built, sunk in 1945.
Yangtze River Trade
Chinese inland junk trade.
Yankee Clipper
New England fast sailing packet of the mid-nineteenth century.
Yard, Royal Navy
Royal Dockyards at Portsmouth, Plymouth, and Chatham among others.
Yawl
Two-masted fore-and-aft rigged vessel with small mizzen aft of the rudder post.
Yokohama Specie Bank
Late nineteenth century financier of Japanese shipping.
York-Antwerp Rules
CMI-drafted rules for adjustment of general average; current editions 1994, 2004, 2016.
Yorktown Naval Campaign
French and American blockade of 1781.
Younger Edda Maritime References
Norse literary record of seafaring.
Yugoslav Adriatic Trade
Twentieth-century Adriatic coastal commerce.

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