blue whale

noun

: a very large baleen whale (Balaenoptera musculus synonym Sibbaldus musculus) that may reach a weight of 150 tons (136 metric tons) and a length of 100 feet (30 meters) and is generally considered the largest living animal

Illustration of blue whale

Illustration of blue whale

Examples of blue whale in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Saya de Malha Bank offers safe haven to an unprecedented biodiversity of seagrass habitats for turtles and breeding grounds for sharks, humpback and blue whales. Christian Orozco, Los Angeles Times, 29 Mar. 2025 Probably the most familiar are humpback and blue whales, which were driven to the brink of extinction not so long ago by commercial whaling, but are making a comeback after an international moratorium was enacted on whaling. Grrlscientist, Forbes.com, 27 Mar. 2025 That's about the same as four blue whales or 100 African elephants. Ina Fried, Axios, 10 Jan. 2025 Loreto: Start your Baja Sur weekend in Loreto, a seaside town famous for its blue whales, national parks, beach clambakes, and—thanks to a recent community movement—stargazing. Stephanie Vermillion, Outside Online, 10 Apr. 2025 See All Example Sentences for blue whale

Word History

First Known Use

1851, in the meaning defined above

Time Traveler
The first known use of blue whale was in 1851

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Cite this Entry

“Blue whale.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blue%20whale. Accessed 2 May. 2025.

Kids Definition

blue whale

noun
: a whale that may reach a weight of 150 tons (135 metric tons) and a length of 100 feet (30 meters) and is generally considered the largest living animal

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