Struthiones \Stru`thi*o"nes\, n. pl. [NL. See Struthio.]
(Zo["o]l.)
(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[ae], or Drom[ae]ognath[ae].
Source: Webster's Revised Unabridged Dictionary (1913)
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Ratitae \Ra*ti"t[ae]\, n. pl. [NL., fr. L. ratis a raft; cf. L.
ratitus marked with the figure of a raft.]
(Zo["o]l.)
An order of birds in which the wings are small, rudimentary,
or absent, and the breastbone is destitute of a keel. The
ostrich, emu, and apteryx are examples.
Source: Webster's Revised Unabridged Dictionary (1913)
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