ptero·​saur | \ ˈter-ə-ˌsȯr How to pronounce pterosaur (audio) \

Definition of pterosaur

: any of an order (Pterosauria) of extinct flying reptiles existing from the Late Triassic throughout the Jurassic and most of the Cretaceous and having a featherless wing membrane extending from the side of the body along the arm to the end of the greatly elongated fourth digit

Examples of pterosaur in a Sentence

Recent Examples on the Web

While there are big bats in the world, some with wingspans of more than 5 feet, there aren’t any as large as the biggest birds or the extinct, giraffe-size pterosaurs. Riley Black, WSJ, "‘Nature’s Giants’ and ‘Superlative’ Review: Wild, Wilder, Wildest," 21 June 2019 But not everyone thinks the tiny pterosaurs were born air-worthy. Jason Daley, Smithsonian, "Pterosaurs May Have Flown as Soon as They Hatched," 13 June 2019 In 2017, a new pterosaur found in Mongolia had a 32-foot wingspan, according to National Geographic. Fox News, "Prehistoric shocker: Baby pterosaurs could fly at birth, study finds," 13 June 2019 And for a baby pterosaur, flying wasn't just a way to get around. Megan Marples And Harmeet Kaur, CNN, "These prehistoric reptiles could fly immediately after birth," 13 June 2019 Researchers at the University of Texas at Austin and the Chinese Academy of Sciences examined more than 330 fossil specimens, including small bird-like dinosaurs, large plant-eating dinosaurs, flying pterosaurs and a Tyrannosaurus rex. Brigit Katz, Smithsonian, "Actually, T. Rex Probably Couldn’t Stick Out Its Tongue," 22 June 2018 These were the pterosaurs and the bird-like dinosaurs, which had tongue bones that resembled those of modern birds, which are complicated and widely varied. National Geographic, "Why T. Rex Couldn't Waggle Its Tongue," 20 June 2018 What could explain the resemblance between hyoid structures in birds and pterosaurs? Mindy Weisberger, Scientific American, "T. Rex Couldn’t Stick Out Its Tongue," 24 June 2018 Only about 100 species of pterosaurs have been found so far, and more than 50 of those were found in China. Ginny Mohler, Smithsonian, "Ten Chinese Museums Where You Can See a Dinosaur Fossil Up Close," 18 Apr. 2018

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

1863, in the meaning defined above

History and Etymology for pterosaur

New Latin Pterosauria, from Greek pteron wing + sauros lizard

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7 Jul 2019

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Time Traveler for pterosaur

The first known use of pterosaur was in 1863

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

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to move or obtain by small maneuvers

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