stegosaur
/ˈstɛɡəˌsɔr/
noun
- A large, plant-eating dinosaur from the Jurassic period, known for having two rows of bony plates along its back and spikes on its tail.
- In the museum, the children were amazed by the skeleton of a stegosaur.
- The stegosaur used its spiked tail to defend itself from predators.
- Scientists believe the stegosaur's back plates helped regulate its body temperature.