Category:Ratitae

Ra*ti"tæ, n. pl. Etym: [nl., fr. L. ratis a raft; cf. L. ratitus Marked with the figure of a raft.] (zoöl.)

Defn: 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.