psittacosaurus

 
Pronunciation: /sɪˈtakəsɔːrəs/

noun

  • a partly bipedal herbivorous dinosaur of the mid Cretaceous period, having a parrot-like beak and probably ancestral to other ceratopsians.
    • Genus Psittacosaurus, infraorder Ceratopsia, order Ornithischia

Origin:

modern Latin, from Greek psittakos 'parrot' + sauros 'lizard'