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Bosporus

 
Dictionary: Bos·po·rus   (bŏs'pər-əs) pronunciation

A narrow strait separating European and Asian Turkey and joining the Black Sea with the Sea of Marmara. It has been an important trade route since ancient times.

 

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Strait separating the European and Asian portions of Turkey. Connecting the Sea of Marmara with the Black Sea, it is 19 mi (31 km) long and 2.3 mi (3.7 km) at its widest. Bosporus literally means "ox ford"; it is traditionally connected with the legendary figure of Io, who in the form of a heifer crossed the Thracian Bosporus in her wanderings. Because of its strategic importance for the defense of Constantinople (modern Istanbul), which straddled its southern end, the Byzantine emperors and later the Ottoman sultans constructed fortifications along its shores. With the growing influence of the European powers in the 19th century, rules were codified governing the transit of vessels through the strait. An international commission assumed control of it after World War I; Turkey resumed control in 1936. Two of the world's longest bridges, completed in 1973 and 1988, span the strait and link the two sections of Istanbul; in 2004 construction began on a rail tunnel beneath it.

For more information on Bosporus, visit Britannica.com.

Bosporus (‘ox-ford’), sometimes ‘Bosphorus’. 1. The Thracian Bosporus, the strait connecting the Sea of Marmora (Propontis) with the Black Sea, and separating Europe from Asia. According to Greek myth it was here that the heifer Io crossed from one continent to the other (perhaps from Asia to Europe). The strong current and the winding channel made it dangerous to shipping.

2. The Cimmerian Bosporus, the straits connecting the Black Sea with the Sea of Asov. It also is said to derive its name from a crossing made by Io.

 
Columbia Encyclopedia: Bosporus
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Bosporus (bŏs'pərəs) [Gr.,=ox ford, in reference to the story of Io], Turk. Boğaziçi, strait, c.20 mi (30 km) long and c.2,100 ft (640 m) wide at its narrowest, separating European from Asian Turkey and joining the Black Sea with the Sea of Marmara. Istanbul is on the Bosporus. At its narrowest point stand two famous castles: Anadolu Hisar (1390) on the Asian side and Rumeli Hisar (1452) on the European side. With the Dardanelles, the Bosporus connects the Black Sea with the Mediterranean; it is thought to have been a dry riverbed as recently as 7,600 years ago. The Bosporus Bridge, one of the world's longest suspension bridges (3,524 ft/1,074 m long; opened 1973) spans the strait at Istanbul. A second bridge was completed in 1988.


Geography: Bosporus
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(bos-puh-ruhs)

Strait separating the European and Asian portions of Turkey. The Bosporus is a link between the Black Sea and the Mediterranean Sea.

  • It is an important shipping route for Russia, whose northern routes are mostly blocked by ice in winter, and for other nations that border the Black Sea or use any of the many major rivers that flow into it.

 
 
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Golden Horn (inlet of the Bosporus in northwest Turkey)
Istanbul (Geography)
poriaz (meteorology)

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Copyrights:

Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2007. Published by Houghton Mifflin Company. All rights reserved.  Read more
Britannica Concise Encyclopedia. Britannica Concise Encyclopedia. © 2006 Encyclopædia Britannica, Inc. All rights reserved.  Read more
Classical Literature Companion. The Concise Oxford Companion to Classical Literature. Copyright © 1993, 2003 by Oxford University Press. All rights reserved.  Read more
Columbia Encyclopedia. The Columbia Electronic Encyclopedia, Sixth Edition Copyright © 2003, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/ Read more
Geography. The New Dictionary of Cultural Literacy, Third Edition Edited by E.D. Hirsch, Jr., Joseph F. Kett, and James Trefil. Copyright © 2002 by Houghton Mifflin Company. Published by Houghton Mifflin. All rights reserved.  Read more

 

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