ceratosaur

American

[ser-uh-tuh-sawr] / ˈsɛr ə təˌsɔr /

noun

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 feet (6.1 meters).

Etymology

Origin of ceratosaur

First recorded in 1884; from New Latin Ceratosaurus; see cerato-, -saur

Vocabulary lists containing ceratosaur

Paleontology: Dinosaurs - Middle School and High School

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023