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

Examples

• The stegosaurus lived during the Late Jurassic period.
• Children love learning about the stegosaurus and its distinctive back plates.
• The museum’s stegosaurus skeleton is one of the most popular exhibits.
• Scientists believe the stegosaurus used its spiked tail for defense.
• The stegosaurus was much larger than most modern animals.
• Fossils show that the stegosaurus had a very small brain relative to its body size.