An extinct order of flying reptiles of the Mesozoic age; the pterodactyls; -- called also
Pterodactyli, and
Ornithosauria. [
1913 Webster]
" The wings were formed, like those of bats, by a leathery expansion of the skin, principally supported by the greatly enlarged outer or “ little” fingers of the hands. The American Cretaceous pterodactyls had no teeth. See Pteranodontia, and Pterodactyl."
[1913 Webster]