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Definition of ankylosaurus

ankylosaurus

/ˌæŋ.kə.loʊˈsɔːr.əs/
an · ky · lo · sau · rus

Plural:ankylosauruses
•
Adjective:ankylosaurian
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ankylosaurus Lexical Profile

ankylosaurus Game Scores & Validity

• noun

1

A large, herbivorous genus of heavily armored dinosaur that lived during the Late Cretaceous period in what is now western North America, characterized by thick bony plates covering its body and a massive club-like tail.

Example

"The museum's new paleontology exhibit features a nearly complete skeleton of an ankylosaurus, perfectly displaying its formidable tail club."

Word Nuance & Usage

While technically referring specifically to the genus Ankylosaurus, the term is often used casually in popular culture to describe any armored dinosaur belonging to the wider suborder Ankylosauria.

• Rhymes for ankylosaurus

Word Origin & Etymology

Coined in 1908 by paleontologist Barnum Brown from Ancient Greek 'ankylos' (fused, crooked, or stiff) and 'sauros' (lizard), a reference to the rigidly fused bones that made up its thick biological armor.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Ankylosaurus. In Wordmom Dictionary. Retrieved Oct 12, 2026, from https://wordmom.com/dictionary/ankylosaurus
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