名詞 pterosaur:

1. an extinct reptile of the Jurassic and Cretaceous having a birdlike beak and membranous wings supported by the very long fourth digit of each forelimb
   同義詞：flying reptile

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(jì)和白堊紀(jì)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(gòu)成

來源：
From New Latin Pterosauria [order name]
源自 現(xiàn)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]