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Definition of Blue whale
1. Noun. Largest mammal ever known; bluish-grey migratory whalebone whale mostly of southern hemisphere.
Exact synonyms: Balaenoptera Musculus, Sulfur Bottom
Generic synonyms: Baleen Whale, Whalebone Whale
Group relationships: Balaenoptera, Genus Balaenoptera
Generic synonyms: Baleen Whale, Whalebone Whale
Group relationships: Balaenoptera, Genus Balaenoptera
Definition of Blue whale
1. Noun. A whale (''Balaenoptera musculus''), blue in colour/color and the largest known living animal. ¹
¹ Source: wiktionary.com