D'Entrecasteaux. 1. Channel, on the S.E. coast of Tasmania, separating Brune Island from the mainland. It has a length of 35 miles from N. to S., and a breadth varying from 3 to 9 miles. The rivers Derwent and Huron flow into it. 2. Islands, a group in the Louisiade Archipelago of the S.E. extremity of New Zealand, lat. 10° S., long. 151° E. 3. Cape, at the S.W. extremity of Australia, between Albany and Cape Leeuwin. All the above are named after the French navigator, who lived from 1740 to 1793.