beluga
 oxford
 views  updated May 14 2018be·lu·ga  / bəˈloōgə/ •
n. (pl.  same or belugas
) 1. a small, white-toothed whale (Delphinapterus leucas, family Monodontidae) related to the narwhal, living in herds mainly in Arctic coastal waters. Also called white whale. 2. a very large sturgeon (Huso huso) occurring in the inland seas and associated rivers of central Eurasia. ∎  (also beluga caviar) caviar obtained from this fish.
 The Oxford Pocket Dictionary of Current English 
   beluga
 oxford
 views  updated May 21 2018beluga (white whale) Small, toothed Arctic 
whale that is milky white when mature. It preys on fish, squid, and crustaceans and is valued by Eskimos for its meat, hide and blubber. Length: 
c.4m (13ft). Species: Delphinapterus leucas. Beluga is also a type of sturgeon, whose roe is sold as 
caviar.
  World Encyclopedia 
   beluga
 oxford
 views  updated Jun 27 2018beluga  1. Huso huso See 
ACIPENSERIDAE.
2. (
white whale, 
Delphinapterus leucas) See 
MONODONTIDAE.
  A Dictionary of Zoology MICHAEL ALLABY
   beluga
 oxford
 views  updated May 23 2018beluga Russian name for the white sturgeon (
Acipenser huro), whose roe forms the most prized 
caviar.
  A Dictionary of Food and Nutrition DAVID A. BENDER
   beluga
 oxford
 views  updated May 21 2018beluga great sturgeon; white whale. XVIII (in XVI 
bellougina). — Russ. 
belúga (in the latter sense also 
belúkha), f. 
bélȳľ white.
  The Concise Oxford Dictionary of English Etymology T. F. HOAD