Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps

Noun: allosaurus  ,a-lu'so-rus
  1. Late Jurassic carnivorous dinosaur; similar to but somewhat smaller than tyrannosaurus
    - allosaur

Derived forms: allosauruses

Type of: bird-footed dinosaur, theropod, theropod dinosaur

Part of: genus Allosaurus, genus Antrodemus

Encyclopedia: Allosaurus