admiral /ˈædməɹəl/noun 9forms 2 noun9 •The commander of a fishing or merchant fleet, particularly (historical, Canada) a captain granted special privileges in exchange for bringing the first ship of a given fishing season to certain harbors in Newfoundland. •an officer who holds one of the most important positions in a navy •(informal) The commander of a naval squadron or fleet, regardless of formal rank. •Any of several species of nymphalid butterflies of the genera Kaniska, Limenitis and Vanessa. •The appointed commander of a navy, regardless of formal title. •The shell of the Conus ammiralis; the cone shells of various other species displaying similarly intricate banding. •(historical) Synonym of flagship: an admiral's ship in a fleet, the command or largest ship in a naval or commercial fleet. •(historical) Synonym of emir, a Muslim commander or prince.The Saracen admiral, Balán... held court in the Castillo de Aguas Muertas... — 2004 •(no longer used) Any of several varieties of pear, the trees which produce them. formsAdmirals · admirals