Definition of psittacosaurus in English:


Pronunciation /ˌsidəkōˈsôrəs/ /ˌsɪdəkoʊˈsɔrəs/


  • 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

    ‘Psittacosaurus, meaning 'parrot lizard,' was a small, primitive ceratopsian, a plant-eating dinosaur.’
    • ‘The Psittacosaurus was a strong, agile dinosaur with a powerful beak. A plant-eater, it lived in northeastern Asia between 144 million and 97 million years ago.’


Modern Latin, from Greek psittakos ‘parrot’ + sauros ‘lizard’.