white whale(redirected from White Whale (disambiguation))
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(Animals) a small white toothed whale, Delphinapterus leucas, of northern waters: family Monodontidae. Also called: beluga
n., pl. -gas, (esp. collectively) -ga.
1. a large white sturgeon, Huso huso, of the Black and Caspian seas, valued esp. as a source of caviar.
2. Also called white whale. a small white toothed whale, Delphinapterus leucas, of northern seas, having a rounded head and upward-curving mouth.
[1585–95; < Russian]