veil in WordNet English dictionary

1. make undecipherable or imperceptible by obscuring or concealing
   "a hidden message"; "a veiled threat"
   obscure  blot out  obliterate  veil  hide 
   
2. to obscure, or conceal with or as if with a veil
   "women in Afghanistan veil their faces"
   veil 
   

1. the inner membrane of embryos in higher vertebrates (especially when covering the head at birth)
   caul  veil  embryonic membrane 
   
2. a garment that covers the head and face
   head covering  veil 
   
3. a vestment worn by a priest at High Mass in the Roman Catholic Church; a silk shawl
   humeral veil  veil 
   
4. a membranous covering attached to the immature fruiting body of certain mushrooms
   veil  velum