Definition of pterosaur in English:

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pterosaur

Pronunciation: /ˈtɛrəsɔː/

noun

A fossil flying reptile of the Jurassic and Cretaceous periods, with membranous wings supported by a greatly lengthened fourth finger.
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'.

For editors and proofreaders

Line breaks: ptero|saur

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