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pterosaur

(ter′ə sôr′)

noun

any of an order (Pterosauria) of flying reptiles of the Mesozoic Era, having wings of skin stretched along the body between the hind limbs and the very long fourth digits of each forelimb

Origin: < ModL Pterosaurus: see ptero- & -saur

See pterosaur in American Heritage Dictionary 4

noun

Any of various extinct flying reptiles of the order Pterosauria, including the pterodactyls, of the Jurassic and Cretaceous periods, characterized by wings consisting of a flap of skin supported by the very long fourth digit on each forelimb.

Origin:

Origin: From New Latin Pterosauria, order name

Origin: : Greek pteron, feather, wing; see -pter

Origin: + Greek sauros, lizard

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