Source : Webster's Revised Unabridged Dictionary (1913)

Hermaphroditism \Her*maph"ro*dit*ism\, n. (Biol.)
   The union of the two sexes in the same individual, or the
   combination of some of their characteristics or organs in one
   individual.

Source : WordNet®

hermaphroditism
     n 1: congenital condition in which external genitalia and
          internal sex organs have both male and female
          characteristics [syn: {hermaphrodism}]
     2: showing characteristics of both sexes [syn: {androgyny}, {bisexuality}]