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
Non-English Usage: "Dardanelles" is also a word in the following languages with English translations in parentheses.
Afrikaan (Dardanelles, Hellespont), French (Dardanelles, Hellespont).
The Australian indie rock band Dardanelles is named after the region.