pterosaur

詳細解釋：

pter.o.saur

n.（名詞）
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.
翼龍：任一種已滅絕的翼龍目能飛行的爬行動物，包括翼手龍，它們生活在侏羅紀和白堊紀之間的那段時期，翅膀由一塊由每個前肢中非常長的腳趾支撐的皮構成

來源：
From New Latin Pterosauria [order name]
源自 現代拉丁語 Pterosauria [目名]
Greek pteron [feather, wing] * see -pter
希臘語 pteron [羽毛，翅膀] *參見 -pter
Greek sauros [lizard]
希臘語 sauros [蜥蜴]