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.
noun Anything that partially obscures a clear view.
noun A cover; disguise; a mask; a pretense.
noun A covering for a person or thing; as, a caul (especially over the head)
a nun's veil
noun The calyptra of mosses.
noun velum (A circular membrane round the cap of a medusa).
noun A thin layer of tissue which is attached to or covers a mushroom.
noun A membrane connecting the margin of the pileus of a mushroom with the stalk; a velum.