Definition of beluga noun from the Oxford Advanced American Dictionary

     

    beluga

     noun
    noun
    NAmE//bəˈluɡə//
     
    (pl. beluga or belugas)
     
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  1. 1[countable] a type of small whale
  2. 2[countable] a type of large fish that lives in rivers and lakes in eastern Europe
  3. 3(also beluga caviar) [uncountable] a type of caviar (= fish eggs), from a beluga
See the Oxford Advanced Learner's Dictionary entry: beluga