[ 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 <noun.animal>
"If a tyrannosaurus rex ever ventured into the water around where one of those was, it would have more than had its hands full," Bakker said as he scraped clay from part of the jawbone.
Nearby, Knott's Berry Farm just opened a $7 million Kingdom of the Dinosaurs, where visitors travel through a pre-historic world inhabited by 21 animated figures, including a pterodactyl and a 15-foot tyrannosaurus rex.