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

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 which died on Monday after washing up on the island of Raasay had been entangled in ropes.

From BBC • Mar. 6, 2025

According to Hal Whitehead, who has pioneered research on social organization and cultural transmission in deep-water whales since the 1970s, researchers began studying sperm whale codas by comparing them to Morse code.

From Salon • Aug. 23, 2024

George Pocock, meanwhile, began applying a coat of sperm whale oil to the underside of the Husky Clipper.

From "The Boys in the Boat: Nine Americans and Their Epic Quest for Gold at the 1936 Berlin Olympics" by Daniel James Brown

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