Definition of deinonychus in English:

deinonychus

noun

  • A dromaeosaurid dinosaur of the mid Cretaceous period, growing up to 3.3 m (11 ft) in length.

    • ‘Deinonychus antirrhopus is one of the dinosaur species represented in Dinosaur Hall at the Academy of Natural Sciences.’
    • ‘You can see feathered models of deinonychus, with a therizinosaurus in the background.’
    • ‘Utahraptors were the largest species in the class where velociraptors and deinonychuses also belong.’
    • ‘A huge curved claw on each foot made Deinonychus a small but particularly deadly dinosaur of the Cretaceous Period.’

Origin

Modern Latin, from Greek deinos terrible + onux, onukh- claw.

Pronunciation:

deinonychus

/dʌɪˈnɒnɪkəs/