Search Result for "deinonychus": 
Wordnet 3.0

NOUN (1)

1. swift agile wolf-sized bipedal dinosaur having a large curved claw on each hind foot; of the Cretaceous; 



WordNet (r) 3.0 (2006):

deinonychus
    n 1: swift agile wolf-sized bipedal dinosaur having a large
         curved claw on each hind foot; of the Cretaceous