Any of various large carnivorous theropod dinosaurs of the group Carnosauria of the Jurassic and Cretaceous Periods, characterized by a large head and teeth and a stiff tail, and including allosaurus and giganotosaurus.
[From New Latin Carnosauria, taxon name : Latin carō, carn-, flesh; see (s)ker-1 in the Appendix of Indo-European roots + Greek sauros, lizard.]
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