Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun beluga

2 senses of beluga

Sense 1
beluga, hausen, white sturgeon, Acipenser huso -- (valuable source of caviar and isinglass; found in Black and Caspian seas)
       => sturgeon -- (large primitive fishes valued for their flesh and roe; widely distributed in the North Temperate Zone)

Sense 2
white whale, beluga, Delphinapterus leucas -- (small northern whale that is white when adult)
       => dolphin -- (any of various small toothed whales with a beaklike snout; larger than porpoises)