stego·​sau·​rus | \ ˌste-gə-ˈsȯr-əs How to pronounce stegosaurus (audio) \

Definition of stegosaurus

: any of a genus (Stegosaurus) of stegosaurs known from the Upper Jurassic rocks especially of Colorado and Wyoming

Examples of stegosaurus in a Sentence

Recent Examples on the Web Nestled among the wilderness and trees of Bastrop, a stegosaurus chomps on a branch. Michelle Iracheta, Houston Chronicle, "Take a tour of Dinosaur Park Texas and take your picture with a life size T-Rex," 23 Aug. 2019 In 2014, the institution put Sophie the Stegosaurus on display, the most complete stegosaurus fossil anywhere in the world. Jason Daley, Smithsonian, "New Species of Stegosaurus Unearthed in Mountains of Morocco," 22 Aug. 2019 British scientists have discoverd a new species of stegosaurus that's believed to be the oldest of its kind ever found. Fox News, "New 168-million-year-old stegosaurus species unearthed by scientists," 22 Aug. 2019 In particular, the neck vertebrae and the humerus were incredibly similar to those of other stegosaurus fossils that have been recovered in the past, said Susannah Maidment, team leader and paleontologist at London's Natural History Museum. Ashley Strickland, CNN, "Newly discovered stegosaurus fossil is the oldest in the world," 21 Aug. 2019 Discover fossils at Dinosaur National Monument, Utah Take a giant stride back 150 million years to the Jurassic era and explore the fossils of allosauruses and stegosauruses that once roamed northeastern Utah. National Geographic, "Electrifying places to visit if you love science," 17 June 2019 But people can also bypass that completely and head right toward that violent T. rex vs. triceratops display, as well as to view other dinosaurs like the allosaurus and stegosaurus. David Oliver, USA TODAY, "Want to see a T. rex gnawing on a triceratops? There's a new Smithsonian exhibit for that," 5 June 2019 His budget-busting, $4 billion World Trade Center transit hub in lower Manhattan, which was supposed to resemble a bird but looks more like a stegosaurus, is the most notorious example. Blair Kamin,, "Calatrava sculpture on the riverfront: Analysis," 9 May 2018 First a Tyrannosaurus rex appeared on the table, followed by a velociraptor and a stegosaurus. Kate Elizabeth Queram, Howard County Times, "In a Howard County classroom, dinosaurs, chariots and tornadoes become lifelike," 30 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'stegosaurus.' 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 stegosaurus

1892, in the meaning defined above

History and Etymology for stegosaurus

New Latin, from Greek stegos roof + sauros lizard — more at thatch

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Time Traveler for stegosaurus

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The first known use of stegosaurus was in 1892

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Cite this Entry

“Stegosaurus.” Dictionary, Merriam-Webster, Accessed 16 May. 2021.

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More Definitions for stegosaurus


stego·​sau·​rus | \ ˌste-gə-ˈsȯr-əs How to pronounce stegosaurus (audio) \

Kids Definition of stegosaurus

: a large plant-eating dinosaur with bony plates along its back and tail and with spikes at the end of the tail

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