pterosaur
nounAny of various extinct flying reptiles of the group Pterosauria, including the pterodactyls, of the Mesozoic Era, characterized by wings consisting of a membrane of skin extending from the side of the body to the very long fourth digit of the forelimb.
nounA member of the Pterosauria; a pterodactyl.
nounA pterodactyl.
nounany of several
an extinct reptile of the Jurassic and Cretaceous having a bird-like beak and membranous wings supported by the very long fourth digit of each forelimb
