1. Noun.  (alternative spelling of, beluga) .
  2. Noun.  A cetacean, ''Delphinapterus leucas'', found in the Arctic Ocean.
  3. Noun.  A fish, ''Huso huso'', found in the Caspian Sea and the Black Sea, that is a source of caviar.

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This entry was last updated on RefTopia from its source on 3/20/2012.