Definition of "pterosaur" []

• 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. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "While this pterosaur is incomplete, the patagial edge is continuous, smoothly concave, and grades neatly into the side of the tarsus (see images above: click on them for larger versions)."
• "The first dsungaripterid pterosaur from the Kimmeridgian of Germany and the biomechanics of pterosaur long bones."
• "I got yours and Luis 'and loved both, but I have to say that sleigh - pulling pterosaur is very cool!"