Tyrannosaur

[tɪ'rænəsɔː;taɪ-] or [tɪ'rænəsɔr]

Definition

(noun.) 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.

Editor: Sheldon--From WordNet