The Collaborative International Dictionary of English v.0.48:

Hominy \Hom"i*ny\, n. [From North American Indian auh['u]minea
   parched corn.]
   Maize hulled and broken, and prepared for food by being
   boiled in water. [U.S.] [Written also homony.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

hominy
    n 1: hulled corn with the bran and germ removed