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(), n. pl.[NL. See Struthio.] (Zol.) (a) A division, or order, of birds, including only the African ostriches. (b) 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 Ratit, or Dromognath. スポンサード リンク
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