[ bos-per-uh s ]
/ ˈbɒs pər əs /


a strait connecting the Black Sea and the Sea of Marmara. 18 miles (29 km) long.
Also Bos·pho·rus [bos-fer-uh s] /ˈbɒs fər əs/.
Compare Dardanelles.


Bos·po·ran, Bos·po·ran·ic [bos-puh-ran-ik] /ˌbɒs pəˈræn ɪk/, Bos·po·ri·an [bo-spawr-ee-uh n, -spohr-] /bɒˈspɔr i ən, -ˈspoʊr-/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for bosporus

British Dictionary definitions for bosporus


Bosphorus (ˈbɒsfərəs)

/ (ˈbɒspərəs) /


the Bosporus a strait between European and Asian Turkey, linking the Black Sea and the Sea of Marmara
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for bosporus

[ (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.

notes for Bosporus

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.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.