Search Dictionary
Definition of beluga sturgeon
beluga sturgeon
Plural:beluga sturgeons
beluga sturgeon Lexical Profile
CEFR
C1
Grade
9
Tier
3
Usage
Rare
• noun
1
A massive, critically endangered species of anadromous fish native primarily to the Caspian and Black Sea basins, renowned for producing the highly prized luxury foodstuff known as beluga caviar.
Example
"Due to decades of overfishing and habitat destruction, the wild population of the beluga sturgeon has plummeted to critical levels."
Word Nuance & Usage
The name 'beluga' is famously shared with the unrelated beluga whale; however, true beluga caviar is sourced exclusively from the roe of the beluga sturgeon.
• Nearby Words
Word Origin & Etymology
The word 'beluga' comes from the Russian 'beluga', a derivative of 'belyj', meaning 'white'. 'Sturgeon' derives from the Old French 'esturjon', which has Germanic roots.
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Beluga sturgeon. In Wordmom Dictionary. Retrieved Oct 15, 2026, from https://wordmom.com/dictionary/beluga sturgeon