from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a large, carnivorous dinosaur, of genus Allosaurus, that lived in the Jurassic period.
from The Century Dictionary and Cyclopedia
- n. A genus of dinosaurian reptiles described by Marsh from the Upper Jurassic beds of Colorado and closely allied to the better-known Megalosaurus. They have very short fore and large hind legs, the latter reaching a length of 5 feet.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurus
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