<p><strong>Noun:</strong></p><ul><li>Navy: A grade of flag officer next in rank below a rear admiral.</li><li>British Navy: An officer in temporary command of a squadron, sometimes over a captain on the same ship.</li><li>Navy: The senior captain when two or more ships of war are cruising in company.</li><li>(In the U.S. Navy and Merchant Marine) The officer in command of a convoy.</li><li>The senior captain of a line of merchant vessels.</li><li>The president or head of a yacht club or boat club.</li></ul><p><strong>End of Response</strong></p>