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Bosporus
(bäs′pə rəs)
strait between the Black Sea and the Sea of Marmara: c. 20 mi (32 km) long
also Bosphorus
See Bosporus in American Heritage Dictionary 4
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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