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 Stegouros elengassen, described this year from bones found in the 72-to-75-million-year-old rock of Chile, was an ankylosaur with a fern-like splash of bones at the end of its tail. Riley Black, Smithsonian Magazine, 27 Dec. 2021 Fossils finds elsewhere revealed the earliest ankylosaur from Africa, a Chinese sauropod and the oldest carnivorous dinosaur to be found in the UK. Ashley Strickland, CNN, 29 Dec. 2021 However, the jawbones confirmed that the skeleton did in fact belong to an ankylosaur, New Scientist reports. Elizabeth Gamillo, Smithsonian Magazine, 2 Dec. 2021 Ankylosaurus magniventris is an ankylosaur—a suborder of four-legged, armored, and mostly herbivorous dinosaurs—but not all ankylosaurs were Ankylosaurus. Amy Mckeever, National Geographic, 22 Sep. 2020 In life, the dinosaur — a type of ankylosaur — weighed more than a ton. Ashley Strickland, CNN, 2 June 2020 In a separate project, for example, researchers unearthed a new species of ankylosaur, or armored dinosaur, in the Beehive State. Fox News, 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, 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, 3 Oct. 2019 See More

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.

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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The first known use of ankylosaur was in 1908

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Cite this Entry

“Ankylosaur.” Dictionary, Merriam-Webster, Accessed 1 Jul. 2022.

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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 Encyclopedia article about ankylosaur


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