Marmara, Sea of
geographical name
Mar·ma·ra, Sea of
| \ ˈmär-mə-rə
\
\
variants:
or ancient Propontis \ prə-ˈpän-təs
\
\
Definition of Marmara, Sea of
sea in northwestern Turkey connected with the Black Sea by the Bosporus and with the Aegean Sea by the Dardanelles area 4429 square miles (11,471 square kilometers)