pterosaur

/ˌtɛrəˈsɔər/

Other forms: pterosaurs

Definitions of pterosaur

1. 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
   synonyms: flying reptile

   types:

   pterodactyl

   extinct flying reptile

   type of:

   archosaur, archosaurian, archosaurian reptile

   extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts