rheiformes
English Thesaurus
1. a ratite bird order: birds intermediate in characteristics between ostriches and emus: recent and extinct rheas (noun.animal)
hypernym | : | animal order, |
definition | : | the order of animals (noun.animal) |
member holonym | : | family rheidae, rheidae, |
definition | : | a family of birds coextensive with the order Rheiformes (noun.animal) |
member meronym | : | aves, class aves, |
definition | : | (ornithology) the class of birds (noun.animal) |
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