[1] : WordNet (r) 2.0

vd
     n : a communicable disease transmitted by sexual intercourse or
         genital contact syn: venereal disease, social disease,
          cupid's itch, cupid's disease, venus's curse, sexually
         transmitted disease
see also:
venereal disease social disease cupid's itch cupid's disease venus's curse sexually transmitted disease 

[2] : Moby Thesaurus II by Grady Ward, 1.0

39 moby thesaurus words for "vd":
   french disease, spanish pox, acquired syphilis,
   balanitis gangrenosa, cerebral tabes, chancre, chancroid, clap,
   claps, climatic bubo, congenital syphilis, constitutional syphilis,
   dose, dose of clap, fifth venereal disease, general paresis,
   gonorrhea, granuloma inguinale, granuloma venereum, great pox,
   hard chancre, latent syphilis, locomotor ataxia, morbus gallicus,
   paralytic dementia, paresis, pox, pudendal ulcer, simple chancre,
   social disease, soft chancre, syph, syphilis,
   syphilitic meningoencephalitis, tabes, tabes dorsales,
   tertiary syphilis, tropical bubo, venereal disease

Vd >> V Words
Vd, definition of term: Vd
vd_pag1.html