Allosaur
a carnivorous dinosaur of the genus Antrodemus (formerly Allosaurus), from the late Jurassic Period of North America, that was about 30 feet (9 meters) long.
noun
any large carnivorous bipedal dinosaur of the genus Antrodemus (formerly Allosaurus), common in North America in late Jurassic times: suborder Theropoda (theropods)
allosaurus (āl’ə-sôr’əs) or allosaur
(āl’ə-sôr’əs)
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.
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