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ankylosaur

American  
[ang-kuh-loh-sawr] / ˈæŋ kə loʊˌsɔr /

noun

  1. any of several herbivorous dinosaurs of the suborder Ankylosauria, from the Cretaceous Period, having the body covered with thick, bony plates.


ankylosaur British  
/ ˈæŋkɪləʊˌsɔː /

noun

  1. any of various quadrupedal herbivorous ornithischian dinosaurs constituting the suborder Ankylosauria, which were most abundant in upper Cretaceous times and had a very heavily armoured tanklike body

"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

Etymology

Origin of ankylosaur

First recorded in 1905–10, ankylosaur is from the New Latin word Ankylosauria name of the suborder. See ancylo-, -saur, -ia


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.

See Examples For:

Because no larger specimens have ever been found, some researchers proposed that this might represent a rare case of a miniature ankylosaur.

From Science Daily ● Apr. 21, 2026

Fairy-tale-like, just weeks earlier, local kids had stumbled into a discovery of ankylosaur tracks, so Tumbler Ridge rebranded to take advantage of its grand mountain views and spectacular surroundings.

From The Wall Street Journal ● Feb. 16, 2026

It was the first ankylosaur to be found on the African continent.

From BBC ● Aug. 27, 2025

In a study published Wednesday in the Royal Society Open Science, researchers analyzed the anatomy of one of the world’s most complete ankylosaur skeletons.

From New York Times ● Dec. 6, 2022

They included two unique footprints: one made by an ankylosaur, an armored plant-eating dinosaur, and the other by a carnivorous theropod.

From Washington Post ● Oct. 1, 2022

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