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.
Other Word Forms of Coelurosaur
Origin of Coelurosaur
From New Latin Coelūrosauriagroup name Greek koiloshollowkeuə- in Indo-European roots Greek ourātailors- in Indo-European roots Greek sauroslizard
American Heritage Dictionary of the English Language, 5th Edition
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