The Collaborative International Dictionary of English v.0.48:

maize \maize\ (m[=a]z), n. [Sp. maiz. fr. mahiz or mahis, is the
   language of the Island of Haiti.] (Bot.)
   A large species of American grass of the genus Zea (Zea
   Mays), widely cultivated as a forage and food plant; Indian
   corn, commonly called corn. Also, its seed, growing on
   cobs, and used as food for men and animals.
   [1913 Webster]

   Maize eater (Zool.), a South American bird of the genus
      Pseudoleistes, allied to the troupials.

   Maize yellow, a delicate pale yellow.
      [1913 Webster]