1. a large plant-eating dinosaur with a double row of bony plates along its back and spikes on its tail

Examples

• The stegosaur used its spiked tail as a weapon against predators.
• Children love learning about the stegosaur’s distinctive back plates.
• Fossils show that the stegosaur lived during the Jurassic period.
• The museum’s stegosaur skeleton is one of the most popular exhibits.
• Scientists believe the stegosaur’s plates helped regulate body temperature.
• A stegosaur could grow up to 30 feet long and weigh several tons.