veil

Noun

• a vestment worn by a priest at High Mass in the Roman Catholic Church; a silk shawl

• the inner membrane of embryos in higher vertebrates (especially when covering the head at birth)

• a membranous covering attached to the immature fruiting body of certain mushrooms

• a garment that covers the head and face

Verb

• make undecipherable or imperceptible by obscuring or concealing
  • a hidden message
    
  • a veiled threat
    

• to obscure, or conceal with or as if with a veil
  • women in Afghanistan veil their faces
    

Related words

• Synonyms: 
  humeral veil , caul , embryonic membrane , velum , head covering , obscure , blot out , obliterate , hide