allosaurus

al·lo·saur  (l-sôr) or al·lo·sau·rus (l-sôrs)

n.

Any of various carnivorous dinosaurs of the late Jurassic and early Cretaceous Periods, similar to but smaller than the tyrannosaur.

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[New Latin Allosaurus, genus name : Greek allos, other; see allo- + Greek sauros, lizard.]

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allosaurus (l-sôrs) or allosaur  (l-sôr)

Any of various carnivorous dinosaurs of the genus Allosaurus of the late Jurassic and early Cretaceous Periods. Allosaurs were similar to but smaller than tyrannosaurs.

Thesaurus

Noun

1.

allosaurus - late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurus allosaur bird-footed dinosaur, theropod, theropod dinosaur - any of numerous carnivorous dinosaurs of the Triassic to Cretaceous with short forelimbs that walked or ran on strong hind legs genus Allosaurus, genus Antrodemus - carnivorous dinosaur of North America; late Jurassic