allosaur

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.

---

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

Thesaurus

Noun

1.

allosaur - late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurus allosaurus 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