noun al·lo·saur \ˈa-lə-ˌsr\

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


Next Word in the Dictionary: allosaurusPrevious Word in the Dictionary: all–or–nothingAll Words Near: allosaur
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears