'Megalosaur' definitions:

Definition of 'megalosaur'

(from WordNet)
noun
Gigantic carnivorous bipedal dinosaur of the Jurassic or early Cretaceous in Europe [syn: megalosaur, megalosaurus]

Definition of 'Megalosaur'

From: GCIDE
  • Megalosaur \Meg"a*lo*saur`\, Megalosaurus \Meg`a*lo*sau"rus\, n. [NL. megalosaurus, fr. Gr. me`gas, mega`lh, great + say^ros lizard: cf. F. m['e]galosaure.] (Paleon.) A gigantic carnivorous dinosaur, whose fossil remains have been found in England and elsewhere. [1913 Webster]