'Acipenser ruthenus' definitions:

Definition of 'Acipenser ruthenus'

From: GCIDE

Sterlet \Ster"let\, n. [Russ. sterliade.] (Zool.) A small sturgeon (Acipenser ruthenus) found in the Caspian Sea and its rivers, and highly esteemed for its flavor. The finest caviar is made from its roe. [1913 Webster]