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sperm whale

American

noun

a large, square-snouted whale, Physeter catodon, valued for its oil and spermaceti: now reduced in number and rare in some areas.

sperm whale British

noun

Also called: cachalot. a large toothed whale, Physeter catodon, having a square-shaped head and hunted for sperm oil, spermaceti, and ambergris: family Physeteridae

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

sperm whales

plural

Etymology

Origin of sperm whale

First recorded in 1825–35

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Like Herman Melville’s Pequod, the Mentor sought the sperm whale and its barrels of valuable oil.

From The Wall Street Journal • May 20, 2026

"The lateral view of the soldier's frontal prominence and elongated head resembles the head of a sperm whale, and in both organisms, the mandibles are eclipsed by the head," he said.

From Science Daily • Apr. 1, 2026

Kent frames his illustration of Daggoo, the African crewman, darting a sperm whale from directly behind the harpooner, depicting him in muscular silhouette.

From The Wall Street Journal • Jan. 2, 2026

A sperm whale that died after stranding on the Isle of Harris in November 2019 had a 100kg "litter ball" in its stomach.

From BBC • Mar. 4, 2025

When the robot looked back, she saw that the clickety clickety creature was a sperm whale.

From "The Wild Robot Protects" by Peter Brown

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023