Search Result for "rheiformes": 
Wordnet 3.0

NOUN (1)

1. a ratite bird order: birds intermediate in characteristics between ostriches and emus: recent and extinct rheas;
[syn: Rheiformes, order Rheiformes]



WordNet (r) 3.0 (2006):

Rheiformes
    n 1: a ratite bird order: birds intermediate in characteristics
         between ostriches and emus: recent and extinct rheas [syn:
         Rheiformes, order Rheiformes]