Definition of psittacosaurus in English:


Syllabification: psit·ta·co·sau·rus
Pronunciation: /ˌsidəkōˈsôrəs


A partly bipedal herbivorous dinosaur of the mid Cretaceous period, having a parrotlike beak and probably ancestral to other ceratopsians.
  • Genus Psittacosaurus, infraorder Ceratopsia, order Ornithischia
More example sentences
  • 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'.

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Pronunciation: dɪˈmɒrəlʌɪz
cause (someone) to lose confidence or hope