noun dei·non·y·chus \(ˌ)dī-ˈnä-ni-kəs\

Definition of deinonychus

  1. :  any of a genus (Deinonychus) of small bipedal carnivorous theropod dinosaurs from the Cretaceous having a very large sharp claw on the second digit of both hind feet

Origin and Etymology of deinonychus

New Latin, from Greek deinos terrifying + -onychos -clawed (from onych-, onyx claw, nail) — more at dire, nail

First Known Use: 1969

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