ornithomimid
/ˌɔːnɪθə(ʊ)ˈmʌɪmɪd/Palaeontology
adjective
Of, relating to, or designating dinosaurs of the theropod family Ornithomimidae of the late Jurassic and Cretaceous periods, members of which (such as ornithomimus) were bipedal with a slender, somewhat ostrich-like body.
noun
A dinosaur of the family Ornithomimidae.
Origin
Early 20th century; earliest use found in Science. From scientific Latin Ornithomimidae, family name from Ornithomimus, genus name + -idae.