deinonychus

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/daɪˈnɒnɪkəs/

noun

A medium agile dinosaur, of the genus Deinonychus, of the Cretaceous period, characterized by having a large, curved claw on each hind foot.

UncommonScrabble 20

Meanings

noundeinonychus (plural deinonychuses or deinonychi)

plural deinonychuses · plural deinonychi

  1. A medium agile dinosaur, of the genus Deinonychus, of the Cretaceous period, characterized by having a large, curved claw on each hind foot.

    Bella kept half an eye out for the deinonychi. The deinonychus dinosaurs with the teeth and raking claws were big solid humans in the real.

    1994, Gwyneth Jones, North Wind, New York, N.Y.: Tor, published 1996, →ISBN, page 224
    2 more examples

    The first attempts were made on the remains of duckbill dinosaurs found in the Coleville River dig, but the real success was made when the University located the remains of three deinonychi at an Amoco drill site on the Alaskan North Slope.

    1990 November, Allen Steele, “Trembling Earth”, in Isaac Asimov’s Science Fiction Magazine, volume 14, numbers 11–12 (whole 162–163), New York, N.Y.: Davis Publications, Inc., section 1 (The Mesozoic Express), page 64

    In that chamber, lying curled, or sitting hunched, were five saurians: two deinonychi and three smaller ones that looked like some kind of miniature tyrannosaur.

    1997, Diane Duane, The Book of Night with Moon, New York, N.Y.: Aspect, Warner Books, →ISBN, page 248

    Synonyms: velociraptor

Synonyms & antonyms

nounA medium agile dinosaur, of the genus Deinonychus, of the Cretaceous period, characterized by having a large, curved claw on each hind foot.

Also see

Origin

  1. Ancient Greekδεινός“fearful, terrible”
  2. translingualDeinonychus
  3. Englishdeinonychus

From translingual Deinonychus (1969), from Ancient Greek δεινός (deinós, “fearful, terrible”) (see dinosaur) + ὄνυξ (ónux, “nail, claw, talon”).

Full word history & related roots →

Translations

Chinese Mandarin 恐爪龍 /恐爪龙
  • 恐爪龍 /恐爪龙 (kǒngzhǎolóng)Translations
Cite this entry
APA

deinonychus. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/deinonychus

MLA

“deinonychus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/deinonychus. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “deinonychus,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/deinonychus.

Source: deinonychus on Wiktionary, CC BY-SA 4.0.