Definition of stegosaur in English:


Syllabification: steg·o·saur
Pronunciation: /ˈsteɡəˌsôr
(also stegosaurus /ˌsteɡəˈsôrəs/)


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.
More 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'.

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Pronunciation: ˌōlēˈajənəs
rich in, covered with, or producing oil; oily