from The American Heritage® Dictionary of the English Language, 4th Edition
- n. 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.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. any of several extinct flying reptiles, of the order Pterosauria, including the pterodactyls
from the GNU version of the Collaborative International Dictionary of English
- n. A pterodactyl.
from The Century Dictionary and Cyclopedia
- n. A member of the Pterosauria; a pterodactyl.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. 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
From New Latin Pterosauria, order name : Greek pteron, feather, wing; see -pter + Greek sauros, lizard.(American Heritage® Dictionary of the English Language, Fourth Edition)