veil

(noun) a garment that covers the head and face. Synonyms: head covering.

(noun) a membranous covering attached to the immature fruiting body of certain mushrooms. Synonyms: velum.

(noun) the inner membrane of embryos in higher vertebrates (especially when covering the head at birth). Synonyms: caul, embryonic membrane.

(noun) a vestment worn by a priest at High Mass in the Roman Catholic Church; a silk shawl. Synonyms: humeral veil.

(verb) to obscure, or conceal with or as if with a veil. Example: "Women in afghanistan veil their faces."

(verb) make undecipherable or imperceptible by obscuring or concealing. Synonyms: obscure, blot out, obliterate, hide. Examples: "A hidden message." "A veiled threat."