ptero·saur /ˈtɛrəˌsɔr/
翼龍
Pter·o·saur n. Paleon. A pterodactyl.
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pterosaur
n : extinct flying reptile of the Jurassic and Cretaceous having
a birdlike beak and membranous wings supported by the
very long fourth digit of each forelimb [syn: flying
reptile]