Definition of stegosaur in English:

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Pronunciation: /ˈstɛɡəsɔː/
(also stegosaurus /ˌstɛɡəˈsɔːrəs/)


A small-headed quadrupedal herbivorous dinosaur of the Jurassic and early Cretaceous periods, with a double row of large bony plates or spines along the back.
  • Infraorder Stegosauria, order Ornithischia: several genera, including Stegosaurus.
Example sentences
  • Other herbivorous dinosaurs of the Jurassic included the plated stegosaurs.
  • The thyreophorans are the armored ornithischians: the stegosaurs and ankylosaurs.
  • Whether it's horned dinosaurs, crested duck-billed dinosaurs, plated stegosaurs, or dome-headed dinosaurs, paleontologists identify different species largely by these bizarre structures.


Modern Latin, from Greek stegē 'covering' + sauros 'lizard'.

For editors and proofreaders

Line breaks: stego|saur

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