an·​ky·​lo·​saur | \ ˈaŋ-kə-lō-ˌsȯr How to pronounce ankylosaur (audio) \

Definition of ankylosaur

: any of a suborder (Ankylosauria) of herbivorous Cretaceous ornithiscian dinosaurs having a long low-lying thickset body covered dorsally with bony plates

Examples of ankylosaur in a Sentence

Recent Examples on the Web In a separate project, for example, researchers unearthed a new species of ankylosaur, or armored dinosaur, in the Beehive State. Fox News, "New species of meat-eating dinosaur discovered in Utah," 27 Jan. 2020 In related work, New York Institute of Technology paleontologist Jason Bourke found in 2018 that a group of armored dinosaurs called ankylosaurs may have had large, convoluted nasal passages filled with blood vessels. John Pickrell, National Geographic, "New discovery shows how T. rex kept its brain cool," 4 Sep. 2019 Pentland said that the Winton area, which is now comprised of sheep and cattle farms, was full of long-necked sauropods, carnivorous theropods (including T. rex), ankylosaurs, ornithopods, as well as pterosaurs. Fox News, "96M-year-old pterosaur nicknamed 'Butch' discovered in Australia," 3 Oct. 2019 Researchers have unearthed a new armored dinosaur in Utah, a new species of ankylosaur, known as Akainacephalus johnsoni. Chris Ciaccia, Fox News, "New spiky-skulled dinosaur lived on a lost continent," 19 July 2018 Plant-eaters like Triceratops and the ankylosaurs, which had to chew their food, also had complex hyoid bones. National Geographic, "Why T. Rex Couldn't Waggle Its Tongue," 20 June 2018 The characters dodge and weave to avoid romping, stomping ankylosaurs, styracosaurs, and allosauri; lava bombs are landing everywhere, and the whole movie pretty much pitches itself off a cliff. Ty Burr,, "The new ‘Jurassic World’ is kind of a Tyrannosaurus wreck," 20 June 2018 As Brian Switek reported for in 2016, researchers came to a similar conclusion about the tank-like armor and club-like tails of ankylosaur dinosaurs. Jason Daley, Smithsonian, "Dinosaur Horns Were For Making Love, Not War," 23 Mar. 2018 If ankylosaurs were whacking other dinosaurs, their skeletons haven’t turned up the crucial evidence yet. Brian Switek, Smithsonian, "Introducing ‘Zuul,’ an Ankylosaur That Could Really Make Your Ankles Sore," 8 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ankylosaur.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of ankylosaur

1908, in the meaning defined above

History and Etymology for ankylosaur

borrowed from New Latin ankylosaur-, base of the taxa Ankylosaurus ankylosaurus, Ankylosauridae (from Anykylosaurus + -idae -idae), and Ankylosauria (from Ankylosaurus + -ia -ia entry 2)

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Time Traveler for ankylosaur

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The first known use of ankylosaur was in 1908

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Last Updated

21 Feb 2020

Cite this Entry

“Ankylosaur.” Dictionary, Merriam-Webster, Accessed 26 Feb. 2020.

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More Definitions for ankylosaur


an·​ky·​lo·​saur | \ ˈaŋ-kə-lō-ˌsȯr How to pronounce ankylosaur (audio) \

Kids Definition of ankylosaur

: a plant-eating dinosaur with bony plates covering the back

More from Merriam-Webster on ankylosaur

Rhyming Dictionary: Words that rhyme with ankylosaur Encyclopedia article about ankylosaur

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