S: (n) veil, velum (a membranous covering attached to the immature fruiting body of certain mushrooms)
S: (n) caul, veil, embryonic membrane (the inner membrane of embryos in higher vertebrates (especially when covering the head at birth))
S: (n) humeral veil, veil (a vestment worn by a priest at High Mass in the Roman Catholic Church; a silk shawl)
Verb
S: (v) veil (to obscure, or conceal with or as if with a veil) "women in Afghanistan veil their faces"
S: (v) obscure, blot out, obliterate, veil, hide (make undecipherable or imperceptible by obscuring or concealing) "a hidden message"; "a veiled threat"