Source : Webster's Revised Unabridged Dictionary (1913)

Millet \Mil"let\, n. [F., dim. of mil, L. milium; akin to Gr. ?,
   AS. mil.] (Bot.)
   The name of several cereal and forage grasses which bear an
   abundance of small roundish grains. The common millets of
   Germany and Southern Europe are {Panicum miliaceum}, and
   {Setaria Italica}.

Source : WordNet®

millet
     n 1: any of various small-grained annual cereal and forage
          grasses of the genera Panicum, Echinochloa, Setaria,
          Sorghum, and Eleusine
     2: French painter of rural scenes (1814-1875) [syn: {Jean
        Francois Millet}]
     3: small seed of any of various annual cereal grasses
        especially Setaria italica