the GNU version of the Collaborative International Dictionary of English
n. A large sturgeon (Acipenser huso syn. Huso huso) from the region of the Black Sea; also called Beluga. It is sometimes twelve feet long, and provides the highest quality caviar.
The Century Dictionary and Cyclopedia
n. The huso or great Russian sturgeon, Acipenser huso.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. valuable source of caviar and isinglass; found in Black and Caspian seas
Word Usage
"The polluted waters have apparently drastically reduced the numbers of migratory fish (sturgeons, hausen, ship sturgeon, and Russian sturgeon)."