veil

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.

To dress in, or decorate with, a veil.

To conceal as with a veil.

“The forest fire was veiled by smoke, but I could hear it clearly.”