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 Dominica Dominica is setting aside 304 square miles of ocean to protect endangered sperm whales. Jules Struck, The Christian Science Monitor, 20 Dec. 2023 In the video, the gray sperm whales are seen huddled together as orcas circle around them. Aspen Pflughoeft, Miami Herald, 26 Mar. 2024 The fact that the whale even approached the beach was a negative sign for some experts — according to the National Geographic, sperm whales are known to dive over 3,000 feet in search of squid to eat and generally live deep in the sea. Charlotte Phillipp, Peoplemag, 11 Mar. 2024 Many sperm whale dialects appear to contain a social-marker coda. Ross Andersen, The Atlantic, 24 Feb. 2024 While sperm whales dive deep into the oceans to make meals out of giant squid, orcas occasionally punch above their weight, taking on blue whales (the largest animals to ever exist). Joshua Rapp Learn, Discover Magazine, 6 Dec. 2023 If it’s defined by having the biggest brain, then sperm whales—whose noggins are a hefty 20 pounds—would be the brightest creatures on Earth. Jocelyn Solis-Moreira, Popular Science, 14 Sep. 2023 The follow-up to The Centre Cannot Hold mixes looped snatches of disfigured guitar riffs with field recordings, unsteady beats, buzz-saw synths, and sonar recordings of sperm whales, evoking a tectonic landscape that is thunderous yet oddly meditative. Jazz Monroe, Pitchfork, 1 Mar. 2024 The world’s first marine reserve for sperm whales targets what’s known as the Eastern Caribbean Clan, whose members do not travel as far as most sperm whales and which uses the waters off the country’s coast as a critical feeding and nursing habitat. Jules Struck, The Christian Science Monitor, 20 Dec. 2023

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 19 Apr. 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

More from Merriam-Webster on sperm whale

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!