1. plural of stegosaurus; large herbivorous dinosaurs with rows of bony plates along their backs and spikes on their tails

Examples

• The museum’s dinosaur exhibit featured several stegosauruses alongside other Jurassic period fossils.
• Stegosauruses used their spiked tails as weapons against predators.
• Scientists believe stegosauruses were plant-eaters that lived about 150 million years ago.
• The distinctive plates on stegosauruses’ backs may have helped regulate their body temperature.
• Children love learning about stegosauruses because of their unique appearance.
• Paleontologists have discovered stegosauruses fossils in several western U.S. states.