/ser"euh teuh sawr'/ , n.
a carnivorous, swift-running North American theropod dinosaur of the genus Ceratosaurus and closely related genera, of the Jurassic Period, having a large skull with a short horn between the nostrils and a bony knob in front of each eye, and reaching a length of 20 ft. (6.1 m).
[ 1884; Ceratosaurus; see CERATO-, -SAUR ]