pterodactyl definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- pterosaur: now a loose usage
- any of a suborder (Pterodactyloidea) of pterosaurs of the Jurassic and Cretaceous periods; specif., any of a genus (Pterodactylus) of this suborder
Origin: ; from Modern Latin Pterodactylus: see ptero- and amp; dactyl
pterodactyl definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Any of various small, mostly tailless, extinct flying reptiles of the order Pterosauria that existed during the Jurassic and Cretaceous periods.
Origin: New Latin Pterodactylus, genus name : Greek pteron, feather, wing; see -pter + Greek daktulos, finger.
- pterˌo·dacˈty·loidˌ adjective
- pterˌo·dacˈty·lous adjective
pterodactyl - Science Definition
Any of various small, extinct flying reptiles (pterosaurs) of the genus Pterodactylus of the late Jurassic and Cretaceous Periods. Pterodactyls had long, narrow jaws with sharp teeth, and a wingspan of 1 m (3.3 ft) or less.