order struthioniformes

English Thesaurus

1. a ratite bird order: ostriches and related extinct birds; known from the Pleistocene onward (noun.animal)

hypernym	:	animal order,
definition	:	the order of animals (noun.animal)

member holonym	:	family struthionidae, struthionidae,
definition	:	tall terrestrial birds: ostriches (noun.animal)

member meronym	:	aves, class aves,
definition	:	(ornithology) the class of birds (noun.animal)