Struthioniformes

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a ratite bird order: ostriches and related extinct birds;
known from the Pleistocene onward
• Syn:
order Struthioniformes
• Hypernyms:
animal order
• Member Holonyms:
Aves, class Aves
• Member Meronyms:
Struthionidae, family Struthionidae