1. a very large carnivorous dinosaur that lived during the late Cretaceous period, characterized by massive jaws, sharp teeth, small arms, and bipedal locomotion
Usage: paleontology

Examples

• The tyrannosaurus was one of the largest land predators ever known.
• Scientists discovered a nearly complete tyrannosaurus skeleton in Montana.
• The museum’s tyrannosaurus exhibit attracts thousands of visitors each year.
• A tyrannosaurus could grow up to 40 feet long and weigh several tons.
• The tyrannosaurus used its powerful jaws to crush the bones of its prey.
• Children love learning about the mighty tyrannosaurus and other dinosaurs.