a small bipedal dinosaur, genus Deinonychus, of the Cretaceous Period, characterized by having a large, curved claw on each hind foot.

< Neo-Latin (1969) < Greek dein(ós) fearful, terrible (see dinosaur) + -onychos -clawed, adj. derivative of ónyx claw, nail; see onyx Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To deinonychus
Example sentences
It is an amazing end to an amazing evolutionary story-Deinonychus into dove.
They're about the right size to be deinonychus, which is a much scarier dinosaur in any event.
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature