ceratosaurus

noun

1. 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

   noun.animal

   Synonyms ceratosaur

   Source: WordNet 3.0

2. 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 <i>Illustration</i> in Appendix.

   noun

   Source: webster1913