pterosaur

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noun ptero·saur \ˈter-ə-ˌsȯr\

Definition of pterosaur

  1. :  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

Origin and Etymology of pterosaur

New Latin Pterosauria, from Greek pteron wing + sauros lizard


First Known Use: 1862


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