/
bəˈluːgə/
n.
(pl. same or belugas)
- a small white toothed whale of Arctic coastal waters, related to the narwhal.
[Delphinapterus leucas.]
- a very large sturgeon occurring in the inland seas and rivers of central Eurasia, from which caviar is obtained.
[Huso huso.]
Etymology
C16: from Russ. belukha, beluga, from belyĭ ‘white’.
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