Source : Webster's Revised Unabridged Dictionary (1913)

Antitype \An"ti*type\ (-t[imac]p), n. [Gr. ? of corresponding
   form; ? against + ? type, figure. See {Type}.]
   That of which the type is the pattern or representation; that
   which is represented by the type or symbol.

Source : WordNet®

antitype
     n 1: a person or thing represented or foreshadowed by a type or
          symbol; especially a figure in the Old Testament having
          a counterpart in the New Testament
     2: an opposite or contrasting type [ant: {type}]