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Noun: pterosaur  'te-ru,sor
  1. An extinct reptile of the Jurassic and Cretaceous having a bird-like beak and membranous wings supported by the very long fourth digit of each forelimb
    - flying reptile

Derived forms: pterosaurs

Type of: archosaur, archosaurian, archosaurian reptile

Part of: order Pterosauria, Pterosauria

Encyclopedia: Pterosaur