<p><strong>Noun</strong></p><ul><li>Also called hausen.</li><li>a white sturgeon, Huso huso, of the Black and Caspian seas, valued as a source of caviar and isinglass.</li><li>Also called sea canary, white whale.</li><li>a cetacean, Delphinapterus leucas, of northern seas, that has a rounded head and is white when adult.</li></ul><p><strong>End of Response</strong></p>