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Definition of Ceratosaurus
1. Noun. Primitive medium-sized theropod; swift-running bipedal carnivorous dinosaur having grasping hands with sharp claws and a short horn between the nostrils; Jurassic in North America.
Exact synonyms: Ceratosaur
Generic synonyms: Bird-footed Dinosaur, Theropod, Theropod Dinosaur
Group relationships: Suborder Ceratosaura
Specialized synonyms: Coelophysis
Generic synonyms: Bird-footed Dinosaur, Theropod, Theropod Dinosaur
Group relationships: Suborder Ceratosaura
Specialized synonyms: Coelophysis
Definition of Ceratosaurus
1. n. A carnivorous American Jurassic dinosaur allied to the European Megalosaurus. The animal was nearly twenty feet in length, and the skull bears a bony horn core on the united nasal bones. See Illustration in Appendix.