noun
- large carnivorous dinosaurs of the late Cretaceous period, characterized by massive heads, powerful jaws, and small forelimbs
Usage: paleontology
Examples
- Tyrannosaurs were among the largest land predators that ever lived.
- The museum’s new exhibit features several tyrannosaur fossils.
- Scientists believe tyrannosaurs had excellent vision and hearing.
- Tyrannosaurs walked on two powerful hind legs.
- The tyrannosaur’s tiny arms have puzzled researchers for decades.
- Fossil evidence suggests tyrannosaurs may have hunted in groups.