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

1 sense of blue whale

Sense 1
blue whale, sulfur bottom, Balaenoptera musculus -- (largest mammal ever known; bluish-grey migratory whalebone whale mostly of southern hemisphere)
       => baleen whale, whalebone whale -- (whale with plates of whalebone along the upper jaw for filtering plankton from the water)