Deinonychus means "terrible claw." Deinonuchus looks like a rapter. It walked on two legs. It was 10 - 13 feet long and about 5 feet tall. Deinonychus weighed about 175 pounds. It was a meat eater with very sharp teeth and strong jaws. It was a meat eater. It had large eyes to help it see its prey.  Deinonychus had long fingers to grab its prey. The claws on its feet helped it to balance on one foot and use the other to tear into its prey. It had a stiff tail. Skeletons of deinonychus were found in the western United States.