noun
primitive dinosaur actually lacking horns and having only the beginning of a frill; long hind limbs and short forelimbs; may have been bipedal
• Syn: ↑psittacosaur
• Hypernyms: ↑ceratopsian, ↑horned dinosaur
• Member Holonyms: ↑genus Psittacosaurus
Useful english dictionary. 2012.