Search Result for "diplodocus": 
Wordnet 3.0

NOUN (1)

1. a huge quadrupedal herbivore with long neck and tail; of late Jurassic in western North America; 



WordNet (r) 3.0 (2006):

diplodocus
    n 1: a huge quadrupedal herbivore with long neck and tail; of
         late Jurassic in western North America