1. an unusual ceratopsian dinosaur having many large spikes around the edge of its bony frill and a long nose horn; late Cretaceous; [syn: styracosaur, styracosaurus]
WordNet (r) 3.0 (2006):
styracosaur
n 1: an unusual ceratopsian dinosaur having many large spikes
around the edge of its bony frill and a long nose horn;
late Cretaceous [syn: styracosaur, styracosaurus]