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Definition of beluga whale
beluga whale
Plural:beluga whales
beluga whale Lexical Profile
CEFR
B1
Grade
4
Tier
2
Usage
Top 10k
• noun
1
A small, toothed whale (Delphinapterus leucas) native to the Arctic and subarctic oceans, easily recognized by its striking white coloration and prominent rounded forehead.
Example
"During our expedition to the Canadian Arctic, we were thrilled to see a pod of beluga whales swimming near the sea ice."
Synonyms
View all synonyms for beluga whale• Nearby Words
Word Origin & Etymology
The word 'beluga' comes from the Russian 'belukha', which derives from 'belyy', meaning 'white'. It is combined with the Old English 'hwæl' (whale), denoting a marine mammal.
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Beluga whale. In Wordmom Dictionary. Retrieved Oct 16, 2026, from https://wordmom.com/dictionary/beluga whale