Ornithomimida or·nit·ho·mimida uncommon noun 1. lightly built medium-size theropods Synonymssuborder Ornithomimida Related words Broader terms animal order Parts Theropoda Part of ornithomimidgenus Struthiomimusgenus Deinocheirus WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
