from the GNU version of the Collaborative International Dictionary of English
- n.pl. A division, or order, of birds, including only the African ostriches.
- n.pl. In a wider sense, an extensive group of birds including the ostriches, cassowaries, emus, moas, and allied birds incapable of flight. In this sense it is equivalent to Ratitæ, or Dromæognathæ.
from The Century Dictionary and Cyclopedia
- The ostriches in a broad sense; the struthious or ratite birds. See Ratitæ, and cuts under cassowary, Dromæus, emu, ostrich, and Rhea.
- An ordinal group restricted to the genus Struthio.
Sorry, no etymologies found.