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]

Moby Thesaurus II by Grady Ward, 1.0:

37 Moby Thesaurus words for "genital":
   abiogenetic, biogenetic, blastogenetic, cervical, clitoral,
   epigenetic, eumerogenetic, gametic, generative, genetic, genial,
   genitive, heterogenetic, histogenetic, homogenetic, isogenetic,
   merogenetic, metagenetic, monogenetic, orthogenetic, ovarian,
   pangenetic, parthenogenetic, penial, penile, phallic, phytogenetic,
   scrotal, seminal, spermatic, sporogenous, testicular, uterine,
   vaginal, vulval, vulvar, xenogenetic