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: tyrannosaurus , tyrannosaurus rex ]
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: tyrannosaurus , tyrannosaurus rex ]