'Pterosaur' definitions:
Definition of 'pterosaur'
From: WordNet
noun
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: pterosaur, flying reptile]
Definition of 'Pterosaur'
From: GCIDE
- Pterosaur \Pter"o*saur\, n. [Gr. ? wind + ? a lizard.] (Paleon.) A pterodactyl. [1913 Webster]