psittacosaurus

/ˌsɪtəkoʊˈsɔrəs/

Definitions of psittacosaurus

1. noun

   primitive dinosaur actually lacking horns and having only the beginning of a frill; long hind limbs and short forelimbs; may have been bipedal
   synonyms: psittacosaur

   type of:

   ceratopsian, horned dinosaur

   any of several four-footed herbivorous dinosaurs with enormous beaked skulls; of the late Cretaceous in North America and Mongolia