Coelurosaur Definition

sē-lo͝orə-sôr
noun
Any of various theropod dinosaurs of the diverse group Coelurosauria of the Jurassic and Cretaceous Periods, having a stiff tail, hingelike ankle, usually long forelimbs, and sometimes featherlike structures, and including oviraptor and T. rex.
American Heritage

Other Word Forms of Coelurosaur

Noun

Singular:
coelurosaur
Plural:
coelurosaurs

Origin of Coelurosaur

  • From New Latin Coelūrosauria group name Greek koilos hollow keuə- in Indo-European roots Greek ourā tail ors- in Indo-European roots Greek sauros lizard

    From American Heritage Dictionary of the English Language, 5th Edition

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