Maniraptora ma·ni·rap·tora uncommon noun 1. advanced theropods including oviraptorids and dromaeosaurs and possibly even modern birds Synonymssuborder Maniraptora Related words Broader terms animal order Parts Theropoda Part of maniraptoroviraptoridgenus VelociraptorDromaeosauridaegenus Mononychus WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.