sperm whale

noun

: a very large toothed whale (Physeter macrocephalus synonym P. catodon) that has large conical teeth in the lower jaw, a single blowhole, and a massive squarish head with a closed cavity containing a fluid mixture of spermaceti and oil, and that may reach a length in the male of nearly 60 feet (18.3 meters)

Illustration of sperm whale

Illustration of sperm whale

Examples of sperm whale in a Sentence

Recent Examples on the Web But sperm whale scientists like Gero have long wondered what these clicks mean. Rebecca Ramirez, NPR, 20 May 2024 Belugas belong to a group known as toothed whales, which also includes orcas, dolphins and sperm whales—and all members of this group have melons. Sarah Kuta, Smithsonian Magazine, 10 May 2024 The sperm whale is listed as endangered under the Endangered Species Act and depleted under the Marine Mammal Protection Act, according to NOAA. Leah Sarnoff, ABC News, 8 May 2024 In a study published Tuesday in Nature Communications, researchers examined a group of sperm whales in the waters surrounding the Caribbean island of Dominica, analyzing their whale calls. Leah Sarnoff, ABC News, 8 May 2024 One possibility is that sperm whales are using the clicks as a form of language. Sarah Kuta, Smithsonian Magazine, 8 May 2024 In a study published May 7 in the journal Nature Communications, researchers analyzed more than 8,700 snippets of sperm whale clicks, known as codas. Maria Cheng, The Christian Science Monitor, 8 May 2024 The analysis showed that the conventional catalog of sperm whale codas could not capture their full complexity. Carl Zimmer, New York Times, 7 May 2024 These orcas hunted a herd of nine adult female sperm whales, eventually making off with one. Paul Smaglik, Discover Magazine, 20 Mar. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'sperm whale.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

short for spermaceti whale

First Known Use

circa 1700, in the meaning defined above

Time Traveler
The first known use of sperm whale was circa 1700

Dictionary Entries Near sperm whale

Cite this Entry

“Sperm whale.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sperm%20whale. Accessed 28 May. 2024.

Kids Definition

sperm whale

noun
: a large toothed whale with a large chamber in the skull that contains a fluid mixture of spermaceti and oil

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