Source : Webster's Revised Unabridged Dictionary (1913)

Zea \Ze"a\ (z[=e]"[.a]), n. [L., a kind of grain, fr. Gr. ze`a,
   zeia`; cf. Skr. yava barley.] (Bot.)
   A genus of large grasses of which the Indian corn ({Zea
   Mays}) is the only species known. Its origin is not yet
   ascertained. See {Maize}.

Zein \Ze"in\, n. [Cf. F. z['e]["i]ne. See {Zea}.] (Chem.)
   A nitrogenous substance of the nature of gluten, obtained
   from the seeds of Indian corn ({Zea}) as a soft, yellowish,
   amorphous substance. [Formerly written {zeine}.]

Source : WordNet®

Zea
     n : corn [syn: {genus Zea}]