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
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.
In March 2024, a deceased sperm whale washed up on a Venice beach. Jon Chapman, Miami Herald, 18 Feb. 2025 Some of the most common animal extracts used in hair perfumes are musk and ambergris, which is a waxy substance that is secreted by sperm whales. Bestreviews, The Mercury News, 6 Feb. 2025 The 2015 Ron Howard film was based on Nathaniel Philbrick’s 2000 nonfiction book of the same name, which investigates the 1820 sinking of a whaling ship that was caused by a sperm whale attack. Emily Blackwood, People.com, 8 Jan. 2025 But upon further examination, the animal proved to be an emaciated dwarf sperm whale calf. Leah Sarnoff, ABC News, 24 Oct. 2024 See All Example Sentences for sperm whale

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

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Cite this Entry

“Sperm whale.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sperm%20whale. Accessed 5 Mar. 2025.

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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