beluga

noun be·lu·ga \ bə-ˈlü-gə \
Updated on: 7 Nov 2017

Definition of beluga

1 : a large white sturgeon (Huso huso synonym Acipenser huso) of the Black Sea, Caspian Sea, and their tributaries; also : caviar processed from beluga roe — compare osetra, sevruga
2
[Russian belukha, from belyĭ]
: a toothed whale (Delphinapterus leucas) of arctic and subarctic waters having a fusiform body that is about 10 to 15 feet (3.0 to 5.0 meters) long and white when mature called also white whale

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Illustration of beluga

Origin and Etymology of beluga

Russian, from belyĭ white; akin to Greek phalios having a white spot — more at bald


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