Search Dictionary
Definition of sperm whale

sperm whale

Plural:sperm whales
JUMP TO:

sperm whale Lexical Profile

• 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

speedometer
speedwell
spelt
sperm whale
spey
sphaeralcea
sphagnum

Word Origin & Etymology

Derived from 'spermaceti whale.' Early whalers named the species after the vast quantities of a waxy liquid, spermaceti, found in its massive head, which they mistakenly believed to be the animal's semen.

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 Oct 13, 2026, from https://wordmom.com/dictionary/sperm whale
Wordmom is your complete guide to the English language. Whether you're looking up a definition, searching for the perfect synonym, or unscrambling letters for a word game, our comprehensive suite of tools is designed to help you find the right word, every time.
Word Games & Solvers
Word FinderScrabble Word FinderWords With Friends CheatWordle SolverAnagram Solver
Dictionary & Reference
DictionarySynonymsAntonymsWords
Community
Contact UsEditorial PolicyPrivacy PolicyTerms and Conditions
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE®, Words With Friends®, Wordle®, and related game titles or tournament codes are registered trademarks of their respective owners (including Hasbro, Mattel, Zynga, The New York Times, NASPA, and WESPA). Wordmom is an independent reference utility for educational and entertainment purposes, not affiliated with, sponsored, or endorsed by these entities. All game names are referenced strictly under nominative fair use for compatibility.