pterosaur
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 • Syn: flying reptile • Hypernyms: archosaur, archosaurian, archosaurian reptile • Hyponyms: pterodactyl • Member Holonyms: Pterosauria, order Pterosauria
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