Noun: allosaurus ,a-lu'so-rus
- Late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurus
"The allosaurus was the apex predator of its time";
- allosaur
Derived forms: allosauruses
Type of: bird-footed dinosaur, theropod, theropod dinosaur
Part of: genus Allosaurus, genus Antrodemus
Encyclopedia: Allosaurus