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Definition of sperm whale

sperm whale

Plural:sperm whales
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• noun

1

A large, toothed marine mammal (Physeter macrocephalus) characterized by a massive, block-shaped head that contains a waxy substance called spermaceti, known for its extreme deep-diving abilities across the world's oceans.

Example

"The marine biologists used specialized acoustic equipment to track a sperm whale as it hunted giant squid in the lightless depths of the Pacific Ocean."

Synonyms
View all synonyms for sperm whale

• Nearby Words

spendthrift
spendy
sperm
sperm whale
spermicide
sperry
spew

Usage Trend

Historical frequency of usage in published text.

180019102020
Data source: Google Books Ngram Viewer

Cite this Entry

Wordmom. (2026). Definition of Sperm whale. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/sperm-whale
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