veils

noun

• Something hung up or spread out to hide or protect the face, or hide an object from view; usually of gauze, crepe, or similar diaphanous material.
• A cover; disguise; a mask; a pretense.
• The calyptra of mosses.
• A membrane connecting the margin of the pileus of a mushroom with the stalk; a velum.
• A covering for a person or thing; as, a caul (especially over the head)

  "a nun's veil"

• Velum (A circular membrane round the cap of medusa)
• A thin layer of tissue which is attached to or covers a mushroom.
• An obscuration of the clearness of the tones in pronunciation.