Any of various theropod dinosaurs of the family Tyrannosauridae of the Cretaceous Period, characterized by short deep jaws with large teeth, long hind limbs, and short forelimbs, and including T. rex.
Other Word Forms
Origin of tyrannosaurid
- From New Latin Tyrannosauridae family name from Tyrannosaurus type genus tyrannosaurus
From American Heritage Dictionary of the English Language, 5th Edition