Search Result for "tyrannosaurus": 
Wordnet 3.0

NOUN (1)

1. large carnivorous bipedal dinosaur having enormous teeth with knifelike serrations; may have been a scavenger rather than an active predator; later Cretaceous period in North America;
[syn: tyrannosaur, tyrannosaurus, Tyrannosaurus rex]


WordNet (r) 3.0 (2006):

tyrannosaurus n 1: large carnivorous bipedal dinosaur having enormous teeth with knifelike serrations; may have been a scavenger rather than an active predator; later Cretaceous period in North America [syn: tyrannosaur, tyrannosaurus, Tyrannosaurus rex]