1. Large (up to 23 feet long) carnivorous dinosaur with a large, sickle-shaped claw on each hind foot; lived in the early Cretaceous period
   "Utahraptor was one of the largest known dromaeosaurs";
   - superslasher

Derived forms: utahraptors

Type of: maniraptor

Part of: genus Utahraptor

Encyclopedia: Utahraptor