allosaur

noun al·lo·saur \ ˈa-lə-ˌsȯr \

Definition of allosaur

: any of a family (Allosauridae) of large theropod dinosaurs usually having three clawed digits on each arm and leg and living from the Late Jurassic to the early Cretaceous period; especially : allosaurus

First Known Use of allosaur

circa 1934


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