A strait that passes through Istanbul (formerly Constantinople) from the Black Sea to the Sea of Marmara, forming part of the traditional boundary between Europe and Asia
the bosphorus
Hyphenation
the Bos·pho·rus
Pronunciation
Etymology
[ before consonants usually ] (definite article.) before 12th century. Middle English, from Old English thE, masc. demonstrative pronoun & definite article, alteration of sE; akin to Greek ho, masculine demonstrative pronoun & definite article; more at THAT.