Ceratosaurus

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Ceratosaurus \Cer`a*to*sau"rus\, n. [NL., fr. Gr. ke`ras a horn
     + ? lizard.] (Paleon.)
     A swift-running bipedal carnivorous American Jurassic
     dinosaur allied to the European Megalosaurus. The animal was
     nearly twenty feet in length, and the skull bears a bony
     short horn between the nostrils on the united nasal bones.


     See Illustration in Appendix.
     [1913 Webster + WordNet 1.5]

From WordNet (r) 2.0 [wn]:

  ceratosaurus
       n : 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 [syn: {ceratosaur}]