Struthiomimus
/ˌstruːθɪəˈmʌɪməs/Palaeontology
noun
A genus of lightly built, ornithomimid dinosaurs of the late Cretaceous period; (also struthiomimus) a dinosaur of this genus.
Origin
Early 20th century. From scientific Latin Struthiomimus from post-classical Latin struthio ostrich + classical Latin mīmus.