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pterosaur: Meaning and Definition of
pter•o•saur
Pronunciation: (ter'u-sôr"), [key]
— n.
- any flying reptile of the extinct order Pterosauria, from the Jurassic and Cretaceous periods, having the outside digit of the forelimb greatly elongated and supporting a wing membrane.
See also:
- pterosaur (Thesaurus)
