Corsair : A name commonly given to the piratical cruisers of Barbary, who frequently plunder the merchant-ships of European nations with whom they are at peace
William Falconer's Dictionary of the Marine, Glossary, Published by South Seas using the Web Academic Resource Publisher, London 1780. (http://threedecks.org/index.php?display_type=glos sary, (Mrtm - Brit) {583}