sevruga

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sev·ru·ga

S0298150 (sə-vro͞o′gə)n. Caviar made from the roe of a sturgeon (Acipenser stellatus) of the Caspian and Black Seas, having small grains and a gray color.
[Russian sevryuga, from Tatar söirök.]

sevruga

(sɪˈvruːɡə) n1. (Animals) a species of sturgeon, Acipenser stellatus, native to the Caspian Sea2. (Cookery) caviar made from the roe of sevruga sturgeon