Commodore 2 : A name given to some select ship in a fleet of merchantmen, who leads the van in time of war, and carries a light in his top, to conduct the rest and keep them together
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}