An individual which has the attributes of both male
   and female, or which unites in itself the two sexes; an animal or plant
   having the parts of generation of both sexes, as when a flower contains
   both the stamens and pistil within the same calyx, or on the same
   receptacle. In some cases reproduction may take place without the union
   of the distinct individuals. In the animal kingdom true hermaphrodites
   are found only among the invertebrates. See Illust. in Appendix, under
   Helminths.