- any gigantic carnivorous dinosaur of the genus Megalosaurus, of the Jurassic and early Cretaceous periods.
Origin of megalosaur
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for megalosaur
The teeth of this horned Dinosaur resemble those of the Megalosaur.Extinct Monsters
H. N. Hutchinson
- any very large Jurassic or Cretaceous bipedal carnivorous dinosaur of the genus Megalosaurus, common in Europe: suborder Theropoda (theropods)
C19: from New Latin megalosaurus, from megalo- + Greek sauros lizard