osetra


o·se·tra

also os·set·ra O5150750 (ō-sĕt′rə)n. Caviar made from the roe of either of two sturgeons, Acipenser gueldenstaedtii or A. persicus of the Caspian and Black Seas, having a yellowish or brownish color and a nutty flavor.
[From Russian osëtr, sturgeon (probably in its genitive form osetra), from Old Russian osetrŭ; akin to Old Prussian esketres.]

osetra

(ɒˈsɛtrə) n (Cookery) a type of caviar deriving from the osetra sturgeon