Definitions for "Tyrannosaurus Rex"
Dinosaur of the family tyrannosauridae (Cretaeceous).
This frightening carnivore lived about 65–68 million years ago. It could reach a length of 15 metres and a height of 6 metres. The skull measured 1.35 metres long and its teeth were 8㪨cm long and 2.5 cm wide. The Tyrannosaurus Rex was most likely both a hunter and a scavenger.
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