Source : WordNet®

Dardanelles
     n 1: the strait between the Aegean and the Sea of Marmara that
          separates European Turkey from Asian Turkey [syn: {Hellespont}]
     2: the unsuccessful campaign in World War I (1915) by the
        English and French to open a passage for aid to Russia;
        defeated by the Turks [syn: {Dardanelles campaign}]