The Collaborative International Dictionary of English v.0.48:

Genital \Gen"i*tal\, a. [L. genitalis, fr. genere, gignere, to
   beget: cf. F. g['e]nital. See Gender.]
   Pertaining to generation, or to the generative organs; as,
   genital herpes.
   [1913 Webster]

   Genital cord (Anat.), a cord developed in the fetus by the
      union of portions of the Wolffian and M["u]llerian ducts
      and giving rise to parts of the urogenital passages in
      both sexes.
      [1913 Webster]

WordNet (r) 3.0 (2006):

genital
    adj 1: of or relating to the external sex organs; "genital
           herpes"; "venereal disease" [syn: genital, venereal]