white whale

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white whale

n.
See beluga.

white whale

n
(Animals) a small white toothed whale, Delphinapterus leucas, of northern waters: family Monodontidae. Also called: beluga

be•lu•ga

(bəˈlu gə)

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]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.white whale - small northern whale that is white when adultwhite whale - small northern whale that is white when adult
dolphin - any of various small toothed whales with a beaklike snout; larger than porpoises
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