Marmora

a sea between Asia and Europe. The waters of the Black Sea reach it through the Bosporus. It discharges its waters into the Aegean through the Dardanelles. It bears much the same relation to the Black Sea and the Mediterranean that is sustained by Lake St. Clair to Lakes Huron and Erie. Length, 170 miles; greatest width, 50 miles. An island of the same name lies in the sea. It is about eleven miles long. See Hellespont