The Collaborative International Dictionary of English v.0.48:

Doura \Dou"ra\, dourah \dourah\, n.
   sorghums of dry regions of Asia and North Africa; A kind of
   millet. See Durra.

   Syn: durra, doura, dourah, Egyptian corn, Indian millet,
        Guinea corn.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Durra \Dur"ra\, n. [Ar. dhorra.] (Bot.)
   A kind of millet, cultivated throughout Asia, and introduced
   into the south of Europe; a variety of Sorghum vulgare; --
   called also Indian millet, and Guinea corn. [Written also
   dhoorra, dhurra, doura, etc.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

doura
    n 1: sorghums of dry regions of Asia and North Africa [syn:
         durra, doura, dourah, Egyptian corn, Indian
         millet, Guinea corn]