(ˈstɛɡəˌsɔː), stegosaurus (ˌstɛɡəˈsɔːrəs) or stegosaurian (ˌstɛɡəˈsɔːrɪən)
noun
any quadrupedal herbivorous ornithischian dinosaur of the suborder Stegosauria, esp any of the genus Stegosaurus, of Jurassic and early Cretaceous times, having an armour of bony plates