Definition of pterosaur in English:

pterosaur

Line breaks: ptero|saur
Pronunciation: /ˈtɛrəsɔː
 
/

noun

A fossil warm-blooded flying reptile of the Jurassic and Cretaceous periods, with membranous wings supported by a greatly lengthened fourth finger, and probably covered with fur.
  • Order Pterosauria, subdivision Archosauria: several families, including pterodactyls, pteranodons, etc.
More example sentences
  • The genus Pteranodon includes several species of large pterosaurs from the Cretaceous period in North America.
  • Over the head of Tyrannosaurus rex glides the skeleton of Pteranodon, a pterosaur or flying reptile.
  • A pterosaur is a flying reptile from the Mesozoic period, the time of the dinosaurs.

Origin

mid 19th century: from modern Latin Pterosauria (plural), from Greek pteron 'wing' + sauros 'lizard'.

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